AS/NZS 3000/Amdt 1/2009-07-30
STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND
Amendment No. 1
to
AS/NZS 3000:2007
Electrical installations (known as the Australian/New Zealand Wiring Rules)
REVISED TEXT
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The 2007 edition of AS/NZS 3000 is amended as follows; the amendments should be inserted in the
appropriate places.
SUMMARY: This Amendment applies to the Preface, Contents, List of Tables, List of Figures, Clauses 1.4.53,
1.4.63, 1.4.65, 1.5.6.3, 1.7.2, 1.7.4, 2.2.1.2, 2.2.2, 2.3.6.3, 2.4.4, 2.5.1.1, 2.5.3.1, 2.6.2.4, 2.6.3.1, 2.6.3.2,
2.6.3.4, 2.7.2, 2.9.1, 2.9.2.2, 2.9.2.3, 2.9.2.4, 2.9.2.5, 2.9.3.4, 2.9.5.1, 2.9.5.6, 3, 3.5.2, 3.7.2.7, 3.7.3, 3.8.2,
3.8.3.2, 3.9.4.3, 3.9.4.4, 3.9.8.1, 3.9.8.4, 3.9.9.2, 3.10.3.9, 3.11.3.1, 3.11.4.4, 3.11.4.6, 3.12.2.1, 3.8.3.3,
4.4.2.2, 4.5.1.2, 4.5.2.3, 4.13.3.1, 5.3.3.1.2, 5.3.3.2, 5.3.3.4, 5.3.6.3, 5.4.3, 5.5.5.5, 5.6.2.5, 6.2.4.2, 6.3.1,
6.3.4.5, 6.4.4.5, 6.7.1, 7.2.1.4, 7.2.4.3, 7.3.8.1.2, 7.3.8.3.3, 7.6.2.1, 7.6.3, 7.8.2.3, 7.8.2.4, 8.1.2, 8.3.9.3,
8.3.10.1, 8.3.10.2, Paragraphs A1, A2, B3.2.2.1, B3.2.2.3, B4.1, B4.3, B4, B4.3, B4.6, B5.2.2, B5.2.3,
C2.3.2.3, C2.4.2.1, C2.4.2.2, C3.1, C5.1, D2.2, D4.2.1, D4.2.2, E2.2, E2.3, E3.3, and Appendix K, Tables 3.5,
3.7, 5.1, 5.2, 6.2, 8.2, B1, C1, C9, C10, C11, D2, D13(a), H2 and Figures 2.19, 3.1, 3.2, 3.10, 3.11, 3.13, 3.14,
3.16, 4.7, 5.3, 5.5, 6.5, 6.7, 6.9, 6.10, 6.11, 7.2, 7.3, 7.4, 7.5, 7.6, B1, B4 and D1.
Published on 30 July 2009.
Approved for publication in New Zealand on behalf of the Standards Council of New Zealand on 10 July 2009.
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Page 2 Preface
Delete the first paragraph and replace with the following:
This Standard was prepared by the Joint Standards Australia/Standards New
Zealand Committee EL-001, Wiring Rules, to supersede, in Australia/New
Zealand, AS/NZS 3000:2000, Electrical installations (known as the
Australian/New Zealand Wiring Rules).
Page 5 Preface (xviii)
Delete the text and replace with the following:
(xviii)
The location of underground cables must be marked at entry to or
exit from a structure or recorded on a map.
Page 5 Preface (xxiii)
Delete the text and replace with the following:
(xxiii)
Illustrations of the multiple earthed neutral (MEN) system have been
improved and clarification of the relationship of the MEN system to
the IEC systems has been added.
Page 6 Preface (xliii)
Delete the text and replace with the following:
(xliii)
Verification of earth fault-loop impedance for socket-outlet circuits
not protected by an RCD is now a mandatory test for both Australia
and New Zealand.
ISBN 0 7337 9203 0
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Page 11 Contents
Mark Appendix K as ‘deleted’.
Page 14 List of Tables
Mark Figures K1 and K2 as ‘deleted’.
Page 16 List of Figures
1
For Figure 3.1, change the title to ‘SINGLE-PHASE CABLES’.
2
For Figure 3.2, change the title to ‘MULTIPHASE CABLES’.
3
Mark Figure K1 as ‘deleted’ (page 18).
Page 31 Clause 1.4.53 Exception (v)
In the first line, add the words ‘or hinged’ after ‘ removable’.
Page 33 Clause 1.4.63
Insert the following as Item (c) and renumber Items (c) and (d) as (d) and (e):
‘(c) The neutral bar or link in a switchboard without an MEN connection
where the active supply to the switchboard has been isolated.’
Page 33 Clause 1.4.65
Add at the end of the clause ‘or to the earthing system of the source of supply .’
Page 46 Clause 1.5.6.3
In the first line, replace the word ‘protection’ with ‘ limitation’.
Page 52 Clause 1.7.2(g)
Delete the words ‘and in accordance with the product specification’.
Page 53 Clause 1.7.4(b)
1
In the first line, replace the word ‘enhanced’ with ‘additional’.
2
Alter ‘present’ to ‘presents’ in the 2nd line of the sentence.
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Page 58 Clause 2.2.1.2
Delete the text and replace with the following:
2.2.1.2 Common neutral
Each single-phase circuit, and each multiphase circuit that requires a
neutral conductor for the operation of connected equipment, shall
incorporate a neutral conductor.
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A common neutral conductor may be used for two or more circuits subject to
the following conditions:
(a)
The continuity of the common neutral conductor shall not depend on
connections at the terminals of electrical equipment, including control
switches.
(b)
Final subcircuits shall be controlled and protected by linked circuitbreakers or linked switches.
(c)
The neutral conductor shall be marked at switchboards to identify the
associated active conductors in accordance with Clause 2.9.5.5.
(d)
Alternative sources of supply to a single appliance (such as a water
heater, space heater or air conditioner) shall have a common isolating
switch.
NOTES:
1 Typical applications for common neutrals include groups of single-phase lights
arranged across multiphase supply, and separate components of a singlephase appliance, such as a cooking unit
2 Looping of a common neutral conductor at terminals of equipment supplied
from different circuits may cause the load side neutral conductor potential to
rise to full line voltage and create a dangerous live situation when
disconnected for repair or replacement of the equipment.
3 This Clause does not preclude connection of a common neutral in a junction
box
The current-carrying capacity of a common neutral shall be determined from
the current-carrying capacity of the associated active conductors in
accordance with Clause 3.5.2.
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Page 59 Clause 2.2.2
Delete the NOTE and replace with the following:
NOTE: Guidance on the determination of maximum demand is provided for basic
electrical installations in Appendix C.
Page 71 Clause 2.3.6.3
Delete the last paragraph and replace with the following:
‘A device located remotely from the electrical equipment it controls, which is
used for shutting down for mechanical maintenance, shall be provided with
facilities for securing it in the open position.’
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Page 73 Clause 2.4.4 (a)
Replace the words ‘ Clauses 2.4.2, 2.6, 3.9.4.4 or 6.2.4’ with the words
‘ Clause 1.5.6’.
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Page 74 Clause 2.5.1.1
In NOTE 2 replace ‘Clause 2.5.5.2’ with ‘Clause 2.5.5.3’.
Page 77 Clause 2.5.3.1
In NOTE 3, replace ‘Clause B3.2.1’ with ‘Paragraph B3.2.1’.
Page 98 Clause 2.6.2.4
Delete the entire clause and replace with the following:
2.6.2.4 Arrangement
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Where additional protection of final subcircuits is required, in accordance
with Clause 2.6.3, the final subcircuits shall be arranged as follows:
(a) In all electrical installations where—
(i)
the number of RCDs installed exceeds one; and
(ii)
more than one lighting circuit is installed
lighting circuits shall be distributed between RCDs
(b) In residential installations—
(i)
not more than three final subcircuits shall be protected by any one
RCD; and
(ii)
where there is more than one final subcircuit, a minimum of two
RCDs shall be installed.
NOTE: These arrangements are intended to minimize the impact of the
operation of a single RCD.
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Page 98 Clause 2.6.3.1
Delete the NOTE following (b) and replace with the following:
NOTE: For the purpose of this Clause, combination fan, light and heater units,
exhaust fans and ceiling sweep fans are all regarded as lighting points.
Page 99 Clause 2.6.3.1
Add the following new exception:
3
This requirement need not apply to a socket-outlet or a connecting
device specifically for the connection of a fixed or stationary electric
cooking appliance, such as a range, oven or hotplate unit provided
that—
(a) the socket-outlet is located in a position that is not likely to be
accessed for general purposes; and
(b) the socket-outlet is clearly marked to indicate the restricted
purpose of the socket-outlet and that RCD protection is not
provided.
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Page 99 Clause 2.6.3.2
Delete the entire clause and replace with the following:
‘2.6.3.2 Other electrical installations
2.6.3.2.1 Australia
Additional protection by RCDs with a maximum rated residual current of
30 mA shall be provided for—
(a)
final subcircuits supplying socket-outlets where the rated current of any
individual socket-outlet does not exceed 20 A; and
(b)
final subcircuits supplying lighting where any portion of the circuit has a
rated current not exceeding 20 A; and
(c)
final subcircuits supplying directly connected hand-held electrical
equipment, e.g. hair dryers or tools.
NOTE: The final subcircuits referred to in Item (b) include, without limitation,
those supplying the following equipment:
(a) External lighting installations, such as bollard-type luminaires.
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(b) Illuminated signs.
(c) In-ground lighting.
(d) Ground-mounted lighting for the illumination of public features.
Exception: This requirement need not apply:
1
Where other methods of protection are applied, e.g. a separated supply
in accordance with Clause 7.4.
2
Where socket-outlets on the final subcircuit are protected by a socketoutlet RCD.
3
Where specific provisions for electrical installations exist through the
application of other Standards, e.g. AS/NZS 3001, AS/NZS 3002,
AS/NZS 3003, AS/NZS 3004 and AS/NZS 3012.
4
To special situations referred to in Sections 6 and 7 of this Standard
that require RCD protection which shall be provided in accordance with
the requirements of the relevant Clause.
5
Where the disconnection of a circuit by an RCD could cause a danger
greater than earth leakage current.
6
Where all socket-outlets on a final subcircuit are installed for the
connection of specific items of equipment, provided that—
(a)
the connected equipment is required by the owner or operator to
perform a function that is essential to the performance of the
installation and that function would be adversely affected by a
loss of supply caused by the RCD operation; and
(b)
the connected equipment is designed, constructed and used in
such a manner that is not likely to present a significant risk of
electric shock; and
(c)
the socket-outlet is located in a position that is not likely to be
accessed for general purposes; and
(d)
the socket-outlet is clearly marked to indicate the restricted
purpose of the socket-outlet and that RCD protection is not
provided.
A
7
To a socket-outlet or a connecting device specifically for the connection
of a fixed or stationary cooking appliance, such as a range, oven or
hotplate unit.
In these applications the socket-outlet shall be clearly marked to
indicate the restricted purpose of the socket-outlet and that RCD
protection is not provided. The socket-outlet shall be located in a
position that is not likely to be accessed for general purposes.
Additional protection by RCDs with a maximum rated residual current of
30 mA shall also be provided in accordance with the requirements and
regulations of legislation, such as Occupational Health & Safety legislation.
NOTE: In areas where excessive earth leakage current could present a significant
risk in the event of failure of other measures of protection or carelessness by
users, RCDs are designed to provide additional protection against the effects of
electric shock by automatically disconnecting supply before serious physical
injury can occur.
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2.6.3.2.2 New Zealand
Additional protection by RCDs with a maximum rated residual current of
10 mA shall be provided for final subcircuits supplying socket-outlets in areas
normally accessible by children in
(a) kindergartens; and
(b) day care centres for pre-school children; and
(c) primary schools.
Exception: This requirement need not apply:
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1
Where other methods of protection are applied, e.g. a separated supply
in accordance with Clause 7.4.
2
Where socket-outlets on the final subcircuit are protected by a socketoutlet RCD.
3
Where specific provisions for electrical installations exist through the
application of other Standards, e.g. AS/NZS 3001, AS/NZS 3002,
AS/NZS 3003, AS/NZS 3004 and AS/NZS 3012.
4
To special situations referred to in Sections 6 and 7 of this Standard
that require RCD protection which shall be provided in accordance with
the requirements of the relevant Clause.
Page 100 Clause 2.6.3.4
Add the following words at the start of the clause:
‘Where the circuit protection on a switchboard is completely replaced,
additional protection by RCDs as required in Clause 2.6 shall be provided for
the final subcircuits supplied from that switchboard. ’
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Page 101 Clause 2.7.2(a)
Delete the words ‘Clause 3.9.9.3’ and replace with ‘Clause 3.9.8.3’.
Page 103 Clause 2.9.1
Remove the italic font and replace with normal font in the third paragraph beginning ‘A
main switchboard...’.
NZ
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Page 104 Clause 2.9.2.2 (c)(i)
Replace the words ‘the open’ with ‘any ’.
Page 104 Clause 2.9.2.2 (c)(ii)
1
Delete the words ‘egress paths’ and replace with ‘emergency exit paths’.
2
Delete the paragraph beginning ‘ Doors of a switchroom.....’ and replace with the
following:
‘ Doors of switchrooms, or other rooms dedicated to switchboards, shall
open in the direction of egress without the use, on the switchboard side
of the door, of a key or tool.’
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Page 107 Figure 2.19
Delete the figure and title and replace with the following:
> 0.6 m
> 0.6 m
> 0.6 m
FIGURE 2.19 ACCESS TO SWITCHBOARDS—FACING SWITCHBOARDS
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Page 107 Clause 2.9.2.3(a)
Delete the words ‘Clause 2.3.3.4’ and replace with ‘Clause 2.3.3.5’.
Page 108 Clause 2.9.2.4
Delete Exception 4.
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Page 109 Clause 2.9.2.5(j)
Delete the exception and replace with the following:
‘Exception: A switchboard may be installed in the vicinity of an automatic fire
sprinkler system if at least one of the following conditions is satisfied:
(A) The switchboard is provided with degree of protection IPX4, in
accordance with AS 60529.
(B) The switchboard is provided with a shield to prevent water spraying on
it.
(C) Sprinkler heads that could project water on the switchboard are
provided with suitable deflectors.
(D) Sprinkler heads are of the dry type.’
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Page 110 Clause 2.9.2.5(k)
Delete the entire NOTE and replace with the following:
NOTES:
1 The following situations may give rise to a hazardous area:
(a) Bottled gas cylinders with an aggregate gas capacity exceeding 30 m3.
(b) Gas-tank filling or discharge connections.
(c) Pressure relief device discharge points fitted to gas installations.
2 Refer to AS/NZS 2430.3 for information regarding hazardous areas.
3 An example of a hazardous area presented by a bottled gas cylinder is shown
at Figure 2.20. For an insitu filled gas cylinder larger distances are required.
Page 111 Clause 2.9.3.4
Add the words ‘or where each device is clearly marked to indicate the off
position’ at the end of the exception.
Page 113 Clause 2.9.5.1
Delete the text of the clause and replace with the following:
‘ All equipment installed on a switchboard shall be identified in
accordance with the requirements of Clauses 2.9.5.2 to 2.9.5.6.
NOTE: See Clauses 2.3.3 and 2.3.4 for the marking requirements of main switches
and additional isolating switches.’
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Page 114 Clause 2.9.5.6
In the first line of the first paragraph, replace the word ‘that’ with the word ‘the’.
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Page 127 Clause 3.5.2
Delete Exception 2, Exception 3 and sub-clause (c) and replace with the following:
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(c)
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‘2
The neutral conductor of a multiphase circuit may have a currentcarrying capacity lower than that determined by this Clause,
provided that a detection device is fitted and arranged so that the
neutral current cannot exceed the current-carrying capacity of the
neutral conductor.
3
The neutral conductor of a multiphase circuit may have a currentcarrying capacity less than that of the largest associated active
conductor, provided that the predominant load consists of
multiphase equipment and the current-carrying capacity is not less
than the maximum out of balance current, including any harmonic
component.
PEN conductors The minimum size of a combined protective earth and
neutral (PEN) conductor of consumers mains, or of a submain to an
outbuilding of an electrical installation forming a separate MEN
installation in accordance with Clause 5.5.3.1, shall—
(i)
comply with the requirements of Item (a) or Item (b), as
appropriate; and
(ii)
be not less than that of an earthing conductor as required by
Clause 5.3.3.’
Page 131 Clause 3.7.2.7
In the NOTE, delete the words ‘(see Clause 3.7.9.1)’ and replace with ‘(see
Clause 3.7.2.9.1)’.
Page 132 Clause 3.7.3
In Exception (d), delete the words ‘ Clause 3.10.1.1’ and replace with ‘ Clause
3.10.1.2.’
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Page 133 Clause 3.8.2
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Page 134 Clause 3.8.3.2
In the third paragraph, beginning ‘Single-core cables...’ add the word ‘continuously ’
after the word ‘identified’.
1
In Item (a), add the word ‘flexible’ before the word ‘cables’.
2
Add the following Item (c):
‘ (c)
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insulated aerial conductors are identified by a number of small
longitudinal ribs around the circumference, the neutral conductor
shall be identified by multiple longitudinal ribs evenly spaced
around the entire circumference and length of the conductor that
clearly distinguish it from the other conductors.’
Page 134 Clause 3.8.3.3
In the first and second paragraphs delete the words ‘flexible cords and’.
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Page 135 Figure 3.1
Change Figure caption to ‘SINGLE-PHASE CABLES’:
Page 135 Figure 3.2
1
In the left heading delete ‘AND FLEXIBLE CORDS’.
2
Replace the right heading with ‘EUROPEAN CABLES’.
3
Remove the dividing line under the heading.
4
Delete the figure and caption and replace with the following:
R e d ............... Ph a s e / L i n e 1 ........... B row n
W h i te ............ Ph a s e / L i n e 2 ............ B l ac k
B l u e ............... Ph a s e / L i n e 3 .............. G rey
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B l ac k ................ N e u tra l .................... B l u e
G re e n / Ye l l ow .... E a r th ......... G re e n / ye l l ow
FIGURE 3.2 MULTI-PHASE CABLES
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Page 140 Clause 3.9.4.3
1
Add the following sub-heading directly under the main heading:
‘3.9.4.3.1 Prohibited locations’.
2
Add the following words at the end of the NOTE:
‘are shown in Figures 3.6 and 3.7.’
3
Add the following sub-heading to the paragraph commencing ‘Wiring systems
shall be protected ’ under Figure 3.6:
‘3.9.4.3.2 Protection required’.
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Page 141 Clause 3.9.4.4
1
Change the second clause reference from ‘3.9.4.3’ to ‘3.9.4.3.2’.
2
In Item (c), delete the words ‘ in lieu of mechanical protection’.
Page 144 Clause 3.9.8.1
In the first paragraph, replace the words ‘ Clauses 3.9.8.2 to 3.9.8.5’ with the words
‘ Clauses 3.9.8.2 to 3.9.8.4’.
Page 146 Clause 3.9.8.4
In Item (b), second paragraph, replace the words ‘ Clause 3.11.4’ with ‘ Clause
3.11.5’.
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Page 147 Clause 3.9.8.4
1.
In Item (c), second paragraph, delete the word ‘underground’ before the word
‘telecommunications’.
2.
In Item (c), NOTE (c), delete the words ‘in Figures 3.8 and 3.9’, and replace with the
words ‘in Figure 3.9’.
Page 149 Clause 3.9.9.2
At the end of Item (a) delete the words ‘, in accordance with Clause 3.3’
Page 155 Clause 3.10.3.9
In the NOTE, delete the words ‘Clause 3.9.9.2’ and replace with ‘Clause 3.9.9.3’.
Page 156 Clause 3.11.3.1
In Item (c), add the word ‘ sheathed’ before the word ‘ cables’.
Page 157 Table 3.5
Delete the heading of Column 5 and replace with the following:
‘Fibre cement conduit encased in concrete’
Page 158 Clause 3.11.4.4
Add the following words to the end of the line under Item (b):
.... ‘or below any poured concrete laid on that surface (see Figures 3.10 to
3.16).’
Page 160 Figure 3.10
Delete the figure and replace with the following:
75 m m ( m i n i m u m ) c o nti n u o u s p o u re d c o n c rete
ove r u n d e rg ro u n d c a b l e p o s i ti o n
150
M a r ke r t a p e
300
50
50
Ca b l e b e d d i n g,
s e e N ote
Cate g o r y A
w i r i n g sys te m
f ro m Ta b l e 3.5
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Page 160 Figure 3.11
Delete the figure and replace with the following:
G ro u n d l eve l n o c ove r i n g o n s u r fac e of th e g ro u n d o r l e s s th a n 75 m m c o nti n u o u s p o u re d c o n c rete
250
M a r ke r t a p e
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50 0
Ca b l e b e d d i n g,
s e e N ote
Cate g o r y A
w i r i n g sys te m
f ro m Ta b l e 3.5
50
50
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Page 161 Figure 3.13
Delete the figure and replace with the following:
75 m m ( m i n i m u m ) c o nti n u o u s p o u re d c o n c rete
ove r u n d e rg ro u n d c a b l e p o s i ti o n
150
M a r ke r t a p e
300
150 m i n.
Mechanical
p rote c ti o n sys te m
( e.g. p o l y m e r i c c a b l e
c ove r str i p a s s h ow n )
75
50
Ca b l e b e d d i n g,
s e e N ote
50
Cate g o r y B
w i r i n g sys te m
f ro m Ta b l e 3.5
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Page 162 Figure 3.14
Delete the figure and replace with the following:
G ro u n d l eve l n o c ove r i n g o n s u r fac e of th e g ro u n d o r l e s s th a n 75 m m c o nti n u o u s p o u re d c o n c rete
250
M a r ke r t a p e
50 0
150 m i n.
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Mechanical
p rote c ti o n sys te m
75
C a b l e b e d d i n g,
s e e N ote
Cate g o r y B
w i r i n g syste m
f ro m Ta b l e 3.5
50
50
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Page 163 Figure 3.16
As the scaling of this figure was too large, it is reproduced here in the correct size—
Solid
ro c k
50
C o n c rete
C h a s e c u t i n ro c k
M a r ke r t a p e
Cate g o r y C w i r i n g
syste m f ro m Ta b l e 3.5
AMDT
No. 1
JUL
2009
Page 163 Clause 3.11.4.6
Delete the text of this clause and replace with the following:
To minimize damage to wiring systems installed underground during manual
or mechanical excavation works, the location of underground wiring shall be
marked or recorded as follows:
(a)
Permanent cable marker signs shall be provided to indicate the point
where a cable enters or leaves a structure; or
Exception: Cable entry signs need not be provided where the position of
underground cable entry into the ground is obvious.
(b)
The route of any underground cable shall be recorded on a plan to
enable the location of the cable to be determined in the future. This plan
shall be located at the switchboard from which the circuit originates. The
plan locating the consumers mains shall be kept at the main
switchboard of the installation to which it is connected.
Exception: Marking of underground wiring is not required within the
confines of a building.
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 164 Table 3.7
Delete the heading of Column 3 and replace with the following:
‘Minimum separation of conductive enclosures to low voltage electrical earthing
electrode 1’
Page 165 Clause 3.12.2.1
Delete the text of the clause and replace with the following:
‘ Aerial conductors shall be insulated in the following situations:
(a)
For any conductor span that is attached to a building or structure.
Exception: This requirement need not apply to aerial conductors
between and supported by two independent poles or similar
independent supports.
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
(b)
For any conductor span within arms reach of any building, building
opening or structure.
(c) Above areas where sailing craft or irrigation pipes are used (see Table
3.8).
(d)
AMDT
No. 1
JUL
2009
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No. 1
JUL
2009
AMDT
No. 1
JUL
2009
In areas declared by the responsible Fire Authority as being subject to
bushfires, where required by the regulatory authority or the electricity
distributor. ’
Page 181 Clause 4.4.2.2
In the last paragraph commencing ‘Where socket-outlets are installed’ last line,
replace the word ‘not’ with the word ‘that’.
Page 184 Clause 4.5.1.2
In the ‘exception’, correct the spelling of the word ‘permitted’.
Page 186 Clause 4.5.2.3
1
Add new NOTE 3 as follows:
‘3 In New Zealand, additional information is provided in NZECP 54:2001
entitled ‘New Zealand Code of Practice for the installation of recessed
luminaries and auxiliary equipment. Published by Energy Safety Service,
Ministry of Consumer Affairs, Wellington, NZ’.
2
Add a NZ box in the margin.
AMDT
No. 1
JUL
2009
Page 186 Figure 4.7
Delete the figure and replace with the following:
C o m b u s ti b l e b u i l d i n g e l e m e nt a b ove f i t ti n g
C o m b u s ti b l e b u i l d i n g
s tr u c tu r a l m e m b e r
Tra nsfo r m e r
50 m m
A
B a r r i e r re q u i re d fo r
l o o s e f i l l i n s u l ati o n
o r l o o s e c o m b u s ti b l e
m ate r i a l s
B
C
T h e r m a l i n s u l ati o n
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
Recessed
l u m i n a i re
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 196 Clause 4.13.3.1
At the end of Item (a)(ii), remove the words ‘; or’.
Page 211 Clause 5.3.3.1.2
Delete the last paragraph on the page beginning ‘Where the summation of cross-
sectional areas exceeds............’
Page 213 Table 5.1
Add a new row at the end of the table to read:
>630
AMDT
No. 1
JUL
2009
≥25% of active size
†
≥25% of active size
†
Page 213 Clause 5.3.3.2
1
Delete the first two paragraphs and replace with the following:
‘Where the main earthing conductor connects the main earth terminal to
an electrode (arrangement depicted in Figure 5.1), the conductor shall
be determined from Table 5.1 in relation to the cross-sectional area of
the largest active conductor of the consumers mains.
The cross-sectional area of such a copper main earthing conductor shall
be not less than 4 mm2 and need not be greater than 120 mm2 .’
2
Add the following paragraph and NOTE, after the exceptions:
‘Where the conductor connects the main earth bar to an earth bar or link
within a substation (arrangement depicted in Figure 5.2), the conductor
shall be determined from Table 5.1 or by calculation.
NOTE: In this application the main earthing conductor forms part of the
earth fault current path and its size needs to be determined based on the
prospective fault current level and duration.’
AMDT
No. 1
JUL
2009
Page 214 Clause 5.3.3.4
At the end of the Exception to Item (a), change ‘ 1 mm2’ to ‘1 mm 2’.
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
AMDT
No. 1
JUL
2009
Page 217 Table 5.2
In the row ‘ Copper cable’, column 3, change entry under ‘ Minimum dimensions’ to
‘ 25 mm2’.
Page 217 Clause 5.3.6.3
Align the NZ box with the text in (ii).
Page 220 Clause 5.4.3
In Item 1 of the ‘exceptions’ add the following words to the end of the sentence: ... ‘and
Zone 0 of fountains and water features installed in accordance with
Clause 6.4.4.5’.
Page 225 Figure 5.3
Delete the figure and replace with the following:
M a i n n e u tra l
c o n d u c to r
M EN
c o n n e c ti o n M a i n e a r th ba r
o r te r m i n a l /c o n n e c ti o n
Main
Main
sw i tc h b o a rd
n e u tra l b a r
*5.5. 2.1( a )
*5.5. 2.1( d )
*5.5. 2.1( b )
S u b c i rc u i ts
supplied
f ro m m a i n
sw i tc h b o a rd
A ny
one
*5.5. 2.1( a )
*5.5. 2.1( d )
*5.5. 2.1( b )
A ny
one
D B1
D B2 Ac ti ve c o n d u c to r s fo r
D B2 s h a l l b e s u p p l i e d
*5.5. 2. 2.3
f ro m D B1
*5.5.2.1( c )
*5.5. 2.1( d )
*5.5. 2.1( b )
A ny
one
*5.5. 2.1( a )
*5.5. 2.1( d )
*5.5.2.1( b )
A ny
one
DB
*5.5.2.1( c )
*5.5. 2.1( d )
E a r th
e l e c tro d e
*5.3.6 a n d
*5.5.1.2 a n d
*5.5.1.3
*5.5. 2.1( b )
L EG EN D :
= Clause number
= Prote c ti ve e a r th i n g c o n d u c to r
= E a r th i n g c o n n e c ti o n at e q u i p m e nt
o r ex p o s e d c o n d u c ti ve pa r t
D B = D i str i b u ti o n b o a rd
= S w i tc h b o a rd e a r th b a r
o r te r m i n a l /c o n n e c ti o n
*
A ny
one
S u b c i rc u i ts
supplied
f ro m D B
S u b c i rc u i ts
supplied
f ro m D B2
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 229 Clause 5.5.5.5
At the end of Item (b), change the measurement to ‘25 mm2’.
Page 233 Figure 5.5
Delete the figure and replace with the following:
N o n- c o n d u c ti ve
wate r p i p i n g
under floor and
i n wa l l c av i t y.
N o n- c o n d u c ti ve
wate r p i p i n g
f ro m g ro u n d to
c o n d u c ti ve p i p i n g.
Inte r n a l ac c e s s.
Inte r n a l ac c e s s.
* Eq u i p ote nti a l
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
b o n d i n g n ot
re q u i re d.
L EG EN D :
= C o n d u c ti ve wate r p i p i n g
= N o n - c o n d u c ti ve wate r p i p i n g
AMDT
No. 1
JUL
2009
* Eq u i p ote nti a l
b o n d i n g n ot
re q u i re d.
* N OT E :
B o n d i n g re c o m m e n d e d i f
c o n d u c ti ve path ex i sts f ro m ta p to g ro u n d
th ro u g h b u i l d i n g m ate r i a l s
Page 234 Clause 5.6.2.5
1.
Delete the text of the clause and replace with the following:
‘ Any conductive reinforcing within a concrete floor or wall of a room
containing a shower or bath shall be bonded to the earthing system of
the electrical installation.
An equipotential bonding conductor, in accordance with Clause 5.6.3,
shall be connected between the reinforcing material and any part of the
earthing system.
NOTES:
1. This requirement is intended to avoid any potential differences that may
occur between conductive material connected to, or in contact with, the
electrical installation earthing system or earthed electrical appliances and
the concrete floor or wall.’
2.
Renumber existing notes 2,3,4.
AMDT
No. 1
JUL
2009
Page 244 Clause 6.2.4.2
Delete Item (b) and replace with the following:
‘ (b) Zone 2
(i)
(ii)
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AMDT
No. 1
JUL
2009
Socket-outlets installed in Zone 2 shall be—
of the automatic switching type incorporated in a shaver supply
unit complying with AS/NZS 3194; or
protected by an RCD with a fixed rated residual current not
exceeding 30 mA and enclosed in a cupboard that maintains the
enclosure of the socket-outlet during normal operation of the
connected equipment. ’
Page 251 Figure 6.5
Delete the figure and replace with the following:
Zo n e 0
L EG EN D :
Zo n e 1
b = w i d th of ba r r i e r
r 1 = 0.6
a
b
= Zo n e 0
2.4
0.6
Zo n e 3
b
F i xe d p a r ti ti o n
a
r1
= Zo n e 1
= Zo n e 2
= Zo n e 3
Zo n e 2
AMDT
No. 1
JUL
2009
Page 253 Figure 6.7
Delete the figure and replace with the following:
F i xe d s h owe r
p l u m b i n g c o n n e c ti o n
Zo n e 1
0.6
Zo n e 0
0.6
Zo n e 2
2.4
Zo n e 3
Barrier
L EG EN D :
= Zo n e 0
= Zo n e 1
= Zo n e 2
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= Zo n e 3
AMDT
No. 1
JUL
2009
Page 255 Figure 6.9
Delete the figure and replace with the following:
F i xe d s h owe r
p l u m b i n g c o n n e c ti o n
Zo n e 1
Zo n e 2
1.2
Zo n e 3
0.6
Zo n e 2
0.6
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
Barrier
2.4
2.4
Zo n e 3
L EG EN D :
= Zo n e 1
= Zo n e 2
= Zo n e 3
AMDT
No. 1
JUL
2009
Page 256 Figure 6.10
Delete the figure and replace with the following:
0.15
0.15
Zo n e 0
Zo n e 2
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0.4
AMDT
No. 1
JUL
2009
Page 256 Figure 6.11
Delete the figure and replace with the following:
0.5
Zo n e 0
0.5
1.0
Zo n e 2
AMDT
No. 1
JUL
2009
Page 257 Clause 6.3.1
1.
Modify the last paragraph by ending it at the word ‘zones’ then start new paragraph
‘ Because of the nature of these locations certain methods of protection
against electric shock are not permitted.
2.
Add an additional paragraph as follows:
The requirements for swimming pools also apply to electrical
installations in areas of natural waters, lakes in gravel pits and coastal
and similar areas, especially those intended to be occupied by persons
for swimming, paddling and similar purposes.’
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
AMDT
No. 1
JUL
2009
Page 261 Clause 6.3.4.5
1
In Item (a)(iii), add ‘each luminaire, appliance or other item of electrical
equipment is’ before ‘supplied’.
2
In Item (a)(iii) (A), delete the NOTE and replace with the following:
‘NOTE: An individual source may be an individual isolation transformer or an
individual winding on an isolation transformer having a number of secondary
windings, provided that the output complies with Clause 7.5.3.’
3
In Item (d), add the following NOTE after the text.
‘NOTE: The use of a purpose made pump and installation to the
manufacturers’
instructions
complying
with
the
requirements
of
AS/NZS 60335.2.41 for each zone is deemed to comply with the requirements
of this clause.’
AMDT
No. 1
JUL
2009
Page 262 Table 6.2
Delete the table and replace with the following:
TABLE 6.2
GUIDANCE ON THE SELECTION AND INSTALLATION
OF ELECTRICAL EQUIPMENT FOR SWIMMING POOLS, PADDLING POOLS AND SPA
POOLS OR TUBS
Equipment
Clause 6.3.4.3
Socket –
Outlets
Zone 0
Not permitted
Zone 1
Not permitted for
general use.
For pool equipment
only—
(i) IPX5; and
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(ii) (A) ≥0.45 m high;
and ≥1.25 m
from internal
rim; or
Zone 2
IPX4; and
(i) separated supply;
or
(ii) SELV or PELV
supply; or
(iii) RCD protection
(B) under and
≥0.5 m from
edge of fixed
continuous
horizontal
barrier
≥1.25 m wide;
and
(iii) (A) separated
supply; or
(B) SELV or
PELV supply;
or
(C) RCD
protection
Clause 6.3.4.4
Switches/
accessories
Not permitted
IPX5
IPX4
Clause 6.3.4.5
(a), (b) and (c)
Appliances,
Luminaires and
other
equipment
IPX8; and
specifically for use;
and
12V a.c./30 V d.c.
SELV or PELV
supply from source
outside zone
IPX5; and
IPX4; and
(i) SELV or PELV
supply; or
(i) SELV or PELV
supply; or
(ii) Class II
construction
(double or
reinforced
insulation); or
(ii) Separated supply;
or
No earth
(iii) Class I
construction
(earthed
conductive parts),
fixed in position
and RCD
protection
(iii) Class II
construction
(double or
reinforced
insulation); or
(iv) Class I
construction
(earthed
conductive parts),
and RCD
protection
Clause 6.3.4.5
(d) Heating
cable systems
Not applicable
Permitted where
embedded in the floor
area under the Zone
and protected to
Clause 4.10.5
As for Zone 1
Clause 6.3.4.6
Switchboards
Not permitted
Not permitted
Not permitted
AMDT
No. 1
JUL
2009
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
AMDT
No. 1
JUL
2009
Page 269 Clause 6.4.4.5
1.
Replace Item (a)(iii) to read:
(iii) each luminaire, appliance or other item of electrical equipment is
supplied—
2.
Replace the NOTE under Item (A) to read:
NOTE: An individual source may be an individual isolation transformer or an
individual winding on an isolation transformer having a number of secondary
windings, provided that the output complies with Clause 7.5.3.
3.
Add the following NOTE under Item (b):
NOTE: The use of a purpose made pump and installation to the
manufacturers’
instructions
complying
with
the
requirements
of
AS/NZS 60335.2.41 for the relevant zone is deemed to comply with the
requirements of this Clause 6.4.4.5.
Page 277 Clause 6.7.1
In the NOTE—
1.
Add the words ‘;or’ to the end of Item (d)
2.
Add Item (e) as follows:
‘ (e)
car wash bays and the like. ’
Page 281 Clause 7.2.1.4
Delete the clause and replace with the following:
For the purposes of this Clause 7.2, lifts shall be deemed to include
electrically controlled lifts that may convey persons, but do not include any
conveying device from which passengers may safely alight should the
apparatus stop at any point in its travel.
Exception: A lift in a single private residence that is installed in accordance
with AS/NZS 1735.18 need not comply with the requirements of this Clause
7.2.
NOTE: Although compliance with the AS 1735 series is not a requirement of this
Standard, regulatory authorities may require compliance and may have additional
requirements.
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 285 Clause 7.2.4.3
In the first paragraph, add the words ‘and socket-outlets’ after the words ‘lighting
equipment’.
Page 295 Clause 7.3.8.1.2
Delete the last paragraph and the NOTE and replace with the following:
‘ AS/NZS 3010 provides guidance for connection and switching of alternative
supplies and compliance with AS/NZS 3010 is deemed to satisfy
Clause 7.3.8.1.
NOTE: Typical switching arrangements are shown in Figures 7.2, 7.3 and 7.4.’
AMDT
No. 1
JUL
2009
Page 296 Figure 7.2
Delete the caption and replace with the following:
FIGURE 7.2 EXAMPLE OF CONNECTION OF AN ALTERNATIVE SUPPLY TO A
SWITCHBOARD WITH A LOCAL MEN CONNECTION (THREE POLE/FOUR POLE
CHANGEOVER)
(Symbols are explained in Table J1.)
AMDT
No. 1
JUL
2009
Page 297 Figure 7.3
Delete the figure and caption and replace with the following:
NORMAL SUPPLY
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
N
L1
L2
L3
Changeover Device
Generator
Overcurrent
Protection
(where
installed)
GENERATING
SET
L3
L2
L1
G
N
N -BAR
MEN
E -BAR
EE
E
N
L1
L2
L3
To load
FIGURE 7.3 EXAMPLE OF CONNECTION OF AN ALTERNATIVE SUPPLY TO A
SWITCHBOARD WITH A LOCAL MEN CONNECTION (THREE POLE/THREE
POLE CHANGEOVER)
(Symbols are explained in Table J1.)
AMDT
No. 1
JUL
2009
Page 298 Figure 7.4
Delete the caption and replace with the following:
FIGURE 7.4 EXAMPLE OF CONNECTION OF AN ALTERNATIVE SUPPLY TO A
SWITCHBOARD WITH A LOCAL MEN CONNECTION BY MEANS OF A PLUG
AND SOCKET
(Symbols are explained in Table J1.)
AMDT
No. 1
JUL
2009
Page 299 Figure 7.5
Delete the figure and caption and replace with the following:
Iso l atio n d ev i c e
M a i n sw i tc h b o a rd
M a i n sw i tc h
(Grid supply)
C o ns u m e r s
mains
( to g r i d a n d
d i s tr i b u to r’s
n et wo r k )
M a i n sw i tc h a n d
overcurrent protection
( Solar supply)
Inver ter with integral
grid protection device
Iso l atio n d ev i c e
( e.g. sw i tc h o r f u s e
o r oth e r d ev i c e )
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
S o l a r ( P V ) a r ray
C i rc u i ts n ot
p rote c te d by
RCD s
C i rc u i ts p rote c te d
by RC D s
An RCD is not to be placed between the consumers mains
and the solar supply (see AS 4777).
NOTE: Although a solar energy source is shown other sources may also be used.
FIGURE 7.5 EXAMPLE OF CONNECTION OF A GRID-CONNECTED INVERTER
AMDT
No. 1
JUL
2009
Page 299 Clause 7.3.8.3.3
Delete the text of the clause and replace with the following:
‘The method of connection of a stand-alone system shall be in accordance
with the AS 4509 series of Standards.
NOTE: A typical stand-alone connection is shown in Figure 7.6 for an installation
with a switchboard including a local MEN connection.’
AMDT
No. 1
JUL
2009
Page 300 Figure 7.6
Delete the figure and caption and replace with the following:
M a i n sw i tc h b o a rd
Main
sw i tc h
Lo c a l s o u rc e s u c h
a s g e n e rati n g s et o r
i nve r te r a s pa r t of
Lo c a l
a sta n d-a l o n e
s o u rc e
p owe r syste m to
AS 4 50 9
ove rc u r re nt
p rote c ti o n
( w h e re
installed)
L3
L2
L1
G
N
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
N e u tra l ba r
M EN
c o n n e c ti o n
E a r th b a r
Prote c ti ve e a r th
to f ra m e of s o u rc e
E a r th
e l e c tro d e
E
N
L1
L2
L3
To l o ad
FIGURE 7.6 EXAMPLE OF CONNECTION OF A STAND-ALONE SYSTEM TO A
SWITCHBOARD WITH A LOCAL MEN CONNECTION
(Symbols are explained in Table J1.)
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 310 Clause 7.6.2.1
Delete the text and NOTE and replace with the following:
‘ In Australia electrical installations and those portions of electrical
installations operating at high voltage shall be installed in accordance with
AS 2067. ’
Page 310 Clause 7.6.3
Delete the first paragraph and replace with the following:
‘When designing high voltage electrical installations, consideration must be
given to a range of issues that are more significant than those for electrical
installations less than 1 kV. ’
AMDT
No. 1
JUL
2009
Page 312 Clause 7.8.2.3
Delete the heading and text of the clause and replace with the following:
7.8.2.3 Transportable structures and vehicles including their site supplies
‘ Electrical installations in transportable structures and vehicles including their
site supplies shall comply with AS/NZS 3001.’
AMDT
No. 1
JUL
2009
Page 312 Clause 7.8.2.4
Delete the text and NOTES of this Clause and replace with the following:
7.8.2.4 Marinas and recreational boats
Electrical installations in marinas and recreational boats shall comply with
AS/NZS 3004.
NOTES:
1 AS/NZS 3004 is a two-part Standard as follows:
(a) AS/NZS 3004.1 provides requirements for electrical installations on
marinas; and
(b)
AS/NZS 3004.2 provides requirements for electrical installations in
recreational boats.
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2 In Australia, for electrical installations on commercial vessels, refer to the
National Marine Safety Committee’s National standard for commercial vessels
Part C: Design and construction—Section 5: Engineering—Subsection 5B:
Electrical (NSCV C 5B).
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 315 Clause 8.1.2
Alter the first paragraph of the NOTE to read:
NOTE: Additional visual inspections and testing may be required for specific
installations, such as separated supplies, SELV and PELV installations,
electromedical installations, transportable structures and vehicles and marinas, etc.
Page 323 Clause 8.3.9.3
At Item (b), Paragraph beginning ‘ ...Measurements should be carried out’, delete
the words ‘e.g. at a socket-outlet’ and replace with ‘ at the socket-outlet’.
A
AMDT
No. 1
JUL
2009
Page 325 Table 8.2
Delete the TABLE and replace with the following:
TABLE 8.2
MAXIMUM VALUES OF RESISTANCE
Conductor size Protective
device
Active Earth
rating
mm
2
mm
2
Circuit breaker
Fuses
Type B
A
Type D
Maximum resistances
R phe
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
Type C
R ph
Re
R phe
R ph
Re
R phe
R ph
Re
R phe
R ph
Re
1
1
6
6.14 3.07 3.07 3.28
1.64
1.64
1.96
0.98 0.98 7.36
3.68
3.68
1
1
10
3.68 1.84 1.84 1.96
0.98
0.98
1.18
0.59 0.59 4.10
2.05
2.05
1.5
1.5
10
3.68 1.84 1.84 1.96
0.98
0.98
1.18
0.59 0.59 4.10
2.05
2.05
1.5
1.5
16
2.30 1.15 1.15 1.22
0.61
0.61
0.74
0.37 0.37 1.96
0.98
0.98
2.5
2.5
16
2.30 1.15 1.15 1.22
0.61
0.61
0.74
0.37 0.37 1.96
0.98
0.98
2.5
2.5
20
1.84 0.92 0.92 0.98
0.49
0.49
0.58
0.29 0.29 1.34
0.67
0.67
4
2.5
25
1.48 0.57 0.91 0.78
0.30
0.48
0.47
0.18 0.29 1.05
0.40
0.65
4
2.5
32
1.15 0.44 0.71 0.62
0.24
0.38
0.37
0.14 0.23 0.82
0.32
0.50
6
2.5
40
0.92 0.27 0.65 0.49
0.14
0.35
0.30
0.09 0.21 0.61
0.18
0.43
10
4
50
0.74 0.21 0.53 0.39
0.11
0.28
0.24
0.07 0.17 0.46
0.13
0.33
16
6
63
0.59 0.16 0.43 0.32
0.09
0.23
0.19
0.05 0.14 0.36
0.10
0.26
NOTES:
1
The values, which have been rounded to two decimal places, are approximately 64% of the
values given in Table 8.1. This is because of the following:
(a)
A reduction to 80% (0.8) because of a conductor temperature of 20°C.
(b)
A further reduction as the length of circuits given in Table B1 were calculated using 80%
(0.8) of supply voltage. The further reduction assumes that 20% of the impedance is
associated with the supply transformer. This should be taken into account if in doubt.
Therefore, 0.8 × 0.8 = 0.64 (64%).
2
AMDT
No. 1
JUL
2009
Resistances for active conductors (Rph) and protective earthing conductors (Re ) are also
provided.
Page 325 Clause 8.3.10.1
Delete the first two paragraphs and replace with the following:
Tests shall be performed on each final subcircuit protected by an RCD to
verify that the RCD operates to disconnect the designated circuit.
In Australia, where supply is available, the function of the RCD shall be
verified by the operation of the integral test device, or by the use of special
test equipment.
The NOTES remain without change.
AMDT
No. 1
JUL
2009
Page 326 Clause 8.3.10.2
Transpose the last paragraph to be the first paragraph of the clause.
AMDT
No. 1
JUL
2009
Page 328 Paragraph A1
1
AS/NZS 3001, change the title to—
Electrical installations—Transportable structures and vehicles including
their site supplies.
2
Delete AS/NZS 3004 and replace with—
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
3004 Electrical installations—Marinas and recreation boats
3004.1
Part 1: Marinas
3004.2
Part 2: Recreational boats installations
AMDT
No. 1
JUL
2009
Page 332 Paragraph A2
AMDT
No. 1
JUL
2009
Page 333 Paragraph A2
AMDT
No. 1
JUL
2009
Page 335 Figure B1
Add the following to the list of ‘AS/NZS’ references:
60335
Household and similar electrical appliances
60335.2.41
Safety—Particular requirements for pumps
Add the following to the list of ‘IEC’ references:
IEC/TR 61200-413 Electrical installation guide—Clause 413. Explanatory
notes to measures of protection against indirect contact by
automatic disconnection of supply
Delete the figure and replace with the following:
H V/ LV s u p p l y tra nsfo r m e r by—
a ) d i str i b u to r w h e re ex te r n a l to p re m i s e s ; o r
b ) e i th e r d i str i b u to r o r c u sto m e r w i th i n p re m i s e s
S u p py to m a i n sw i tc h b o a rd by—
a ) d i s tr i b u to r’s n et wo r k ; o r
b) ser vice line; or
c) consumer mains
M a i n sw i tc h b o a rd
Submains
D i str i b u ti o n
sw i tc h b o a rd
S afet y s e r v i c e s c i rc u i ts
( f i re, evac u ati o n a n d l i f ts )
G e n e ra l p owe r,
l i g hti n g etc
D i s tr i b u ti o n sw i tc h b o a rd
(mechanical ser vices)
F i n a l s u b c i rc u i ts
to p u m p s, c h i l l e r s etc.
Submains
D i str i b u ti o n
sw i tc h b o a rd
F i n a l s u b c i rc u i ts
to g e n e ra l l i g hti n g, p owe r a n d etc.
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 337 Paragraph B3.2.2.1
Delete the space between ‘2.’ and ‘1’ in the first line of the text.
Page 338 Paragraph B3.2.2.3
At the end of the first paragraph of text, delete ‘0.9 IN’ and replace with ‘0.9 I Z’.
Page 338 Paragraph B4.1
At the end of Item (c) change reference to ‘ Clause 8.3.9.3’.
Page 339 Paragraph B4.3
1.
In both places in the clause where ‘IEC 61200-413’ is referenced, change this to
‘IEC/TR 61200-413’.
2.
In the last line of the last paragraph of the clause, before Figure B4, change reference
of ‘Lp’ to ‘L p’.
Page 340 Figure B4
In the caption, where ‘IEC 61200-413’ is referenced, change this to ‘IEC/TR 61200-413’
Page 341 Paragraph B4.3
Delete Item 2, and replace with the following:
(2)
The value m is the ratio of the cross-sectional area of the phase
conductor compared to the cross-sectional area of the protective
earthing conductor in the circuit considered.
Page 344 Paragraph B4.6
In the first line delete ‘ Clause 8.3.8’ and replace with ‘ Clause 8.3.9’.
Page 346 Paragraph B5.2.2
In the first NOTE, delete reference to ‘Paragraph B4.4’ and replace with ‘Paragraph
B4.5’.
Page 346 Paragraph B5.2.3
In the first line of text, delete the word ‘circuit’ and replace with ‘ route’.
Page 347 Table B1
1.
In the title of the Table, delete the word ‘CIRCUIT ’ and replace with ‘ROUTE’.
2.
In the fourth column heading, delete the word ‘circuit’ and replace with ‘route’.
3.
Delete the third note and replace with the following:
‘3. The maximum route lengths are the length of the phase conductor from the
point of connection to the point of use and are related to a disconnection time
of 0.4 s.’
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 352 Table C1
Delete the sub heading between Items G and H, and replace with the following:
1
2
Load group
Single domestic
electrical
installation or
individual living
unit per phasea
4
5
Loading not associated with individual
units—connection to each phase
(communal lighting, laundry loadings,
lifts, motors, etc)
Page 358 Paragraph C2.3.2.3
Delete the (informal) table under the heading ‘Communal services’ and replace with the
following:
Equipment
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
3
Load group
Column
Calculation
Result
Lighting
H
5
2500
230
=
10.9A
Socket-outlets
I
5
7×2
=
14.0A
Clothes dryers
J(i)
5
⎛ 14400 ⎞
0.5 ⎜
⎟
⎝ 230 ⎠
=
31.3A
Lifts
K
5
(22 × 1.25)
+ (22 × 0.75)
=
44.0A
Motors
L
5
10.4 + (8.3 × 0.5)
=
14.6A
Total communal services loading for heaviest loaded phase
=
114.8A
Total loading for heaviest loaded phase:
= units loading + communal services loading
= 473.9 + 114.8 = 588.7 A
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Page 361 Paragraph C2.4.2.1
Alter the second row of the list to read:
‘30 50 W single-phase exhaust fans (permanently connected)’.
Page 363 Paragraph C2.4.2.2
1.
Alter the second last row of the list to read—
‘30000 VA two-phase spot welder (permanently connected)—varying
operation (Paragraph C2.5.2.3(a)(i)) (50 A per phase primary current
nameplate rating)
2.
Alter the last row of the list to read—
‘15000 VA two-phase spot welder (permanently connected)—specific
operation at 20% duty cycle (Paragraph C2.5.2.3(a)(ii)) (25 A per phase
primary current nameplate rating)’.
AMDT
No. 1
JUL
2009
Page 364 Paragraph C2.4.2.2
In the (informal) table under the column labelled ‘Calculation’, row beginning
‘30000 VA...’, Groups:,
reference to ‘Paragraph C4.4.3(b)’ to be altered to read: ‘Paragraph C2.5.2.3(b)’.
AMDT
No. 1
JUL
2009
AMDT
No. 1
JUL
2009
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
AMDT
No. 1
JUL
2009
Page 369 Paragraph C3.1
In the last paragraph insert a space between ‘25’ and ‘mm2’.
Page 374 Paragraph C5.1
Amend the last paragraph to read ‘ Paragraph C5.2, together with the associated
Table, provides ....’
Page 379 Table C9
Delete the table and replace with the following:
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
TABLE C9
GUIDE TO THE MAXIMUM NUMBER OF SINGLE-CORE SHEATHED CABLES INSTALLED IN CONDUIT
Heavy duty rigid UPVC conduit
Cable size
20
25
32
40
50
63
Medium duty
corrugated
Corflo conduit
80
80
100
100
(NZ)
(AUS)
(NZ)
(AUS)
125
150
100
100
(NZ)
(AUS)
Medium duty rigid UPVC
conduit
125
150
20
25
32
40
16
20
25
32
40
50
PVC/PVC
V90
1
5
9
16
26
43
71
>100
>100
>100
>100
>100
>100
>100
>100
>100
>100
4
7
14
23
3
6
10
17
28
45
1.5
4
7
13
21
36
59
>100
>100
>100
>100
>100
>100
>100
>100
>100
>100
3
6
11
19
3
5
8
14
23
38
2.5
3
5
10
16
27
44
79
92
>100
>100
>100
>100
>100
>100
>100
>100
2
4
8
14
1
3
6
11
17
28
4
1
3
7
11
19
31
56
64
99
>100
>100
>100
99
>100
>100
>100
1
3
6
10
1
2
4
7
12
20
6
1
3
6
9
16
26
48
55
85
92
>100
>100
85
89
>100
>100
1
2
5
8
1
1
3
6
10
17
10
1
1
4
6
11
18
32
38
58
63
95
>100
58
60
90
>100
1
1
3
5
1
1
2
4
7
11
16
1
1
3
5
8
13
24
28
43
46
70
92
43
45
67
88
1
1
2
4
0
1
1
3
5
8
25
0
1
1
3
5
9
16
19
29
31
48
62
29
30
45
60
35
0
1
1
2
4
7
13
15
24
26
39
52
24
25
38
50
50
0
1
1
1
3
6
10
12
19
21
31
41
19
20
30
40
70
0
0
1
1
2
4
8
9
15
16
24
31
15
15
23
30
XLPE/PVC
95
0
0
1
1
1
3
6
7
11
12
18
24
11
12
17
23
120
0
0
0
1
1
2
5
6
9
10
15
20
9
10
14
19
150
0
0
0
1
1
2
4
5
7
8
12
16
7
8
12
16
185
0
0
0
0
1
1
3
4
6
6
10
13
6
6
10
13
240
0
0
0
0
1
1
2
3
5
5
8
10
5
5
7
10
300
0
0
0
0
1
1
1
2
4
4
6
8
4
4
6
8
400
0
0
0
0
0
1
1
1
3
3
5
7
3
3
5
6
500
0
0
0
0
0
1
1
1
3
3
4
6
3
3
4
6
630
0
0
0
0
0
0
1
1
1
2
3
4
1
1
3
4
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
AMDT
No. 1
JUL
2009
Page 380 Table C10
Delete the table and replace with the following:
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
TABLE C10
GUIDE TO THE MAXIMUM NUMBER OF TWO-CORE AND EARTH CABLES INSTALLED IN CONDUIT
Heavy duty rigid UPVC conduit
Cable size
20
25
32
40
50
63
Corflo conduit
80
80
100
100
(NZ)
(AUS)
(NZ)
(AUS)
125
150
100
100
(NZ)
(AUS)
Medium duty corrugated
Medium duty rigid UPVC conduit
125
150
20
25
32
40
16
20
25
32
40
50
PVC/PVC
V90
1.5
1
1
2
4
7
11
21
24
38
41
62
81
38
40
59
78
1
1
1
3
0
1
1
2
4
7
2.5
0
1
1
3
5
9
16
19
30
32
48
63
30
31
46
61
0
1
1
3
0
1
1
1
3
6
4
0
1
1
2
4
7
13
15
23
25
38
50
23
24
36
48
0
1
1
2
0
0
1
1
2
4
6
0
1
1
2
4
6
12
13
21
23
34
45
21
22
33
43
0
0
1
1
0
0
1
1
2
4
10
0
0
1
1
2
4
7
9
13
15
22
29
13
14
21
28
0
0
1
1
0
0
0
1
1
2
16
0
0
1
1
1
3
6
7
11
11
18
23
11
11
17
22
0
0
0
1
0
0
0
1
1
1
25
0
0
0
1
1
2
4
5
7
8
12
16
7
8
12
16
0
0
0
1
0
0
0
0
1
1
1
1
2
5
8
14
23
42
48
75
81
>100
>100
75
78
>100
>100
1
2
4
7
1
1
3
5
9
15
1.5
1
2
5
8
13
22
40
46
71
77
>100
>100
71
74
>100
>100
1
2
4
7
1
1
3
5
9
14
2.5
1
1
3
5
9
15
28
32
50
54
81
>100
50
52
77
>100
1
1
3
5
1
1
1
3
6
10
4
1
1
2
4
6
11
20
23
36
38
58
76
36
37
55
73
0
1
1
3
0
1
1
2
4
7
6
0
1
1
3
5
9
17
19
30
32
49
64
30
31
47
62
0
1
1
3
0
1
1
2
3
6
10
0
1
1
2
4
7
12
14
22
24
36
47
22
23
34
45
0
1
1
1
0
0
1
1
2
4
16
0
0
1
1
2
4
8
9
14
15
23
31
14
15
22
30
0
0
1
1
0
0
0
1
1
2
PVC/PVC
V75
PVC/PVC
V90 FLAT
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
AMDT
No. 1
JUL
2009
Page 381 Table C11
Delete the table and replace with the following:
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
TABLE C11
GUIDE TO THE MAXIMUM NUMBER OF FOUR-CORE AND EARTH CABLES INSTALLED IN CONDUIT
Heavy duty rigid UPVC conduit
Cable size
80
80
100
100
100
100
(NZ)
(AUS)
(NZ)
(AUS)
(NZ)
(AUS)
9
16
18
29
6
12
14
21
61
29
46
21
3
5
9
10
2
4
8
9
27
35
23
31
1
1
2
5
10
15
0
1
1
1
7
8
0
0
0
1
0
0
0
1
3
5
2
4
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
16
0
0
25
0
0
1
3
1
1
35
0
50
0
0
1
0
0
70
0
0
0
20
25
32
40
50
63
1.5
0
1
1
3
5
2.5
0
1
1
2
4
4
0
0
1
1
6
0
0
1
1
10
0
0
0
16
0
0
25
0
35
0
50
70
95
Medium duty
corrugated
Corflo conduit
125
150
31
47
23
35
16
18
14
15
6
9
4
4
1
3
1
2
0
1
0
1
0
0
0
1
0
0
0
0
0
0
0
0
Medium duty rigid UPVC conduit
125
150
20
25
32
40
16
20
25
32
40
50
30
45
59
0
1
1
2
0
1
1
1
3
5
22
33
44
0
0
1
1
0
0
1
1
2
4
16
17
26
34
0
0
1
1
0
0
1
1
1
3
14
15
22
29
0
0
1
1
0
0
0
1
1
2
20
9
10
14
19
0
0
0
0
1
1
12
15
7
7
11
15
0
0
0
0
1
1
5
8
11
5
5
8
11
0
0
0
0
0
1
4
7
9
4
4
6
9
3
3
5
6
3
3
5
6
2
2
4
5
2
2
3
5
1
1
1
3
4
1
1
2
3
5
6
9
10
15
20
9
10
15
19
3
3
6
6
9
12
6
6
9
12
1
2
3
4
5
7
10
4
5
7
9
1
1
2
3
3
6
7
3
3
5
7
1
1
1
2
2
4
5
2
2
4
5
PVC/PVC V90
PVC/PVC V75
XLPE/PVC
95
0
0
0
0
0
0
1
1
1
1
3
4
1
1
3
4
120
0
0
0
0
0
0
1
1
1
1
2
3
1
1
2
3
AMDT
No. 1
JUL
2009
Page 384 Paragraph D2.2
AMDT
No. 1
JUL
2009
Page 385 Figure D1
Delete the NOTE and replace with the following:
NOTE: Hollow steel poles must be capped at the top to prevent water penetration.
Delete the figure and replace with the following:
M a x i m u m s pa n fo r
c a b l e t y p e a n d s i ze
( Ta b l e 3.9 )
0.2 m
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
M a x i m u m s ag
( Ta b l e D2 )
M i n i m u m p o l e /p o s t l e n g th
= m i n i m u m h e i g ht
a b ove g ro u n d
+ M a x i m u m s ag
+ d e pth i n g ro u n d
+ 0.2 m
Po l e /p o st s i ze
a n d s tre n g th r ati n g
( Ta b l e s D3, D5, D 6
a n d D10 to D13 )
M i n i m u m h e i g ht a b ove
g ro u n d ( Ta b l e 3.8 )
Fre e l e n g th to l owe st
c o n d u c to r s u p p o r t
( Ta b l e s D3, D5, D 6
a n d D10 to D13 )
= m i n i m u m h e i g ht
a b ove g ro u n d
+ m a x i m u m s ag
D e pth i n g ro u n d
( Ta b l e D1)
AMDT
No. 1
JUL
2009
Pages 386 and 387 Paragraph D4.2.1
1.
In the second paragraph change the measurement to ‘60 m’.
2.
In the NOTE before (a), change the measurement to ‘+ 0.20 m’.
3.
In Item (c), change the last two paragraphs to read—
‘ From Steps (a), (b) and (c) plus an additional length above support of
0.20 m (see Paragraph D2.1),
Minimum length of pole/post
=
4.6 + 0.6 + 1.5 + 0.20
= 6.90 m’.
AMDT
No. 1
JUL
2009
Pages 387 and 388 Paragraph D4.2.2
1.
At the end of the first paragraph change ‘S11’ to ‘S18’.
2.
Delete Items (a) to (f) and replace with the following:
(a)
If a square sawn hardwood post is selected, then Table D3 shows
that, for a free length to the lowest conductor of 5.2 m with a
minimum strength of S18 and concreted in ground, a 175 mm ×
175 mm sawn hardwood post is required (this has a strength rating
of S21).
Then the post required is a 6.90 m × 175 mm × 175 mm sawn
hardwood (S21) .
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(b)
If a cut round hardwood pole is selected, Tables D5 and D6 show
that for a free length to the lowest conductor of 5.2 m with size
reduced from the base of 8 m/2 kN pole, an S23 pole is required.
For 8 m/2 kN pole with the size reduced from the top, an S24 pole
is required. Note that a 2 kN pole is suitable, as Table D2 Column
6 shows that, for this example, the nominal aerial tension is
1.35 kN.
Thus the pole required is either an S23, 8 m pole reduced from the
base to 6.90 m or an S24, 8 m pole reduced from the top to 6.90 m.
(c)
If Grade 250 steel pipe is selected, Table D10 shows that for a free
length to the lowest conductor of 5.2 m and a minimum strength of
S18, a pipe of 140 mm diameter × 5.0 mm wall thickness is
required. This has an S20 strength rating.
Thus the post required is a 6.90 m × 140 mm Ø × 5.0 mm wall
thickness (S20) 250 Grade steel pipe.
(d)
If Grade 350 steel pipe is selected, Table D11 shows that for a free
length to the lowest conductor of 5.2 m and a minimum strength of
S18, a pipe of 140 mm diameter and 3.5 mm wall thickness is
required. This has an S19 strength rating.
Thus the post required is 6.90 m × 140 mm Ø × 3.5 mm wall
thickness (S19) 350 Grade steel pipe.
(e)
If Grade 350 square section is selected, Table D12(b) shows that
for a free length to the lowest conductor of 5.2 m and a minimum
strength of S18, a post of 100 mm × 100 mm × 9 mm wall thickness
is required. This has an S20 strength rating.
Thus the post required is 6.90 m × 100 mm × 100 mm × 9.0 mm
wall thickness (S20) 350 Grade steel section.
(f)
If Grade 450 square section is selected, Table D13(b) shows that
for a free length to the lowest conductor of 5.2 m and a minimum
strength of S18 there is no suitable size available.
AMDT
No. 1
JUL
2009
Page 389 Table D2
Delete the table and replace with the following:
TABLE D2
FORCE EXERTED BY AERIAL LINE CONDUCTORS
Aerial line
conductor
sizes
Total
weight
of all
conductors
Aerial
line
span
Minimum
aerial
line sag
Maximum
allowable
aerial
line sag
Normal
aerial
line
tension
Minimum
aerial
line
breaking
tension
Minimum
pole or
strut
strength
(kg/m)
(m)
(m)
(m)
(kN)
(kN)
Rating
Single phase insulated aerial lines—Singles or twin twisted
0.35
max
10
15
20
30
40
50
0.09
0.17
0.26
0.43
0.57
0.73
0.2
0.4
0.6
1.0
1.3
2.0
0.49
0.58
0.67
0.92
1.23
1.50
0.2 max
10
15
20
30
40
50
0.09
0.17
0.26
0.43
0.57
0.73
0.2
0.4
0.6
1.0
1.3
2.0
0.28
0.33
0.38
0.52
0.70
0.86
2
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
6 mm up to
2
16 mm
Copper
conductors
(Cu)
2
16 mm up
2
to 25 mm
Aluminium
conductors
(Al)
12.4
S4
S7
S9
S13
S17
S20
7
S1
S2
S3
S5
S10
S12
14
S6
S8
S11
S15
S19
S21
24.8
S14
S16
S18
S22
S25
S28
53.2
S23
S24
S26
S26
S26
S26
106.4
S29
S30
S31
S31
S31
S31
Three phase insulated aerial lines—Singles, twin twisted or bundled
2
6 mm up
2
to 10 mm
Cu
2
or 16 mm
up to
2
25 mm Al
2
16 mm Cu
0.4 max
10
15
20
30
40
50
0.09
0.17
0.26
0.43
0.57
0.73
0.2
0.4
0.6
1.0
1.3
2.0
0.56
0.66
0.77
1.05
1.40
1.71
0.7 max
10
15
20
30
40
50
0.09
0.17
0.26
0.43
0.57
0.73
0.2
0.4
0.6
1.0
1.3
2.0
0.97
1.16
1.35
1.83
2.46
3.00
1.35
max
10
15
20
30
40
50
0.09
0.17
0.26
0.59
1.05
1.64
0.2
0.4
0.6
1.0
1.3
2.0
1.88
2.23
2.57
2.57
2.57
2.57
2.7 max
10
15
20
30
40
50
0.09
0.17
0.26
0.59
1.05
1.64
0.2
0.4
0.6
1.0
1.3
2.0
3.75
4.47
5.14
5.14
5.14
5.14
2
25 mm Cu
or
2
95 mm Al
2 x 25 mm
Cu or
2 × 4 Core
2
95 mm Al
(parallel)
2
NOTE:
Maximum allowable aerial line span (m) is limited to the maximum spans shown in
Table 3.9 for the type of aerial conductor being used.
AMDT
No. 1
JUL
2009
Page 400 Table D13(a)
Change the table number to ‘TABLE D13(b)’.
AMDT
No. 1
JUL
2009
Page 402 Paragraph E2.2
1.
In Item (c), delete the hyphens between the words ‘fire’ and ‘ and’ and between the
words ‘ smoke’ and ‘detection’.
2.
Add the following new text after Item (h):
‘There are also other performance requirements, such as the amount of
ceiling insulation, which while it is not directly electrical in nature, may
be altered in response to the requirements of AS/NZS 3000. (See
Paragraph E2.4 below). ’
AMDT
No. 1
JUL
2009
Page 404 Paragraph E2.3
Delete the last paragraph, beginning ‘Of particular concern...’ and replace with the
following:
‘E2.4 Particular issues
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Of particular concern for electrical installations are—
(a)
the making good of service penetrations in building insulation;
(b)
the installing of insulation around light fittings that emit heat;
NOTE: The Guides to Volume 1 of the BCA and the Explanatory Information
in Volume 2 of the BCA contain advisory information drawing attention to
providing adequate clearance between ceiling insulation and light fittings.
Clause 4.5.2.3 of this Standard contains requirements for such clearances.
(c)
the loss of ceiling insulation resulting from an excessive number of
downlights being installed in a house ceiling;
NOTE: From 1 May 2009, the BCA requires progressively more insulation to
be installed in the ceiling of a house as more downlights are installed. This is
to compensate for the loss of insulation around the downlights.
(d)
the applying of building insulation over electrical cables; and
(e)
the mounting height of ceiling fans.
Clause 3.4.2 of this Standard includes limits for the operating temperatures
of cables. Ceiling fan mounting height information is contained in
AS/NZS 60335.2.80. ’
AMDT
No. 1
JUL
2009
Page 405 Paragraph E3.3
Delete the text of this clause and replace with the following:
‘Electrical work requires building consent if—
(a)
it relates to a specified system of a building that is or will be covered by
the building’s compliance schedule; or
(b)
it is of a nature that would require a waiver or modification of the
building code; or
(c)
the building owner wishes to apply for a building consent for electrical
work.
Certificates of Compliance, issued in accordance with the Electricity
Regulations, have to be accepted by Building Consent Authorities as
establishing compliance of the electrical work with the provisions of the
Building Code.
NOTES:
AMDT
No. 1
JUL
2009
Licensed to Mr Alex Frazer on 8 February 2010. Personal use licence only. Storage, distribution or use on network prohibited.
AMDT
No. 1
JUL
2009
1.
Specified systems are listed in Schedule 1 of the Building (Specified Systems,
Change the Use, and Earthquake-prone Buildings) Regulations 2005, and
include emergency lighting, fire alarms, lifts, ventilation and air conditioning
systems. Work on specified systems is restricted building work and may only
be carried out by licenced building practitioners.
2.
A Certificate of Compliance for electrical work certifies compliance with the
Electricity Regulations, and does not remove the requirement for electrical
work to comply with non-electrical aspects of the Building Code.’
Page 418 Table H2
Change heading of the second column to read: ‘Protected against (see Paragraphs H4.2
and H5’.
Page 429 Appendix K
Delete the entire appendix.