NZQA registered unit standard
14975 version 6
Page 1 of 4
Title
Install earthing systems and shrouding on electric switchboards
Level
3
Purpose
Credits
15
This unit standard is intended for the training and assessment
of people engaged in the manufacture of electric switchboards
and covers the knowledge and skill required to install earthing
systems and shrouding on electric switchboards.
People credited with this unit standard are able to:
–
demonstrate knowledge of the regulations applicable to
earthing and shrouding of switchboards;
–
install switchboard earthing systems; and
–
fabricate and install switchboard shrouding.
Classification
Electrical Engineering > Electric Switchboards
Available grade
Achieved
Explanatory notes
1
This unit standard has been developed for learning and assessment on-job.
2
References
Electricity Act 1992;
Electricity (Safety) Regulations 2010;
Health and Safety in Employment Act 1992 and associated regulations;
Accident Compensation Act 2001;
AS 1939 Supp 1-1990, Degrees of protection provided by enclosures for electrical
equipment (IP Code) – Wallchart 1 (Supplement 1 to AS 1939-1990);
AS/NZS 3000:2007, Electrical installations (known as the Australian/New Zealand
Wiring Rules), including Amendment 1;
AS/NZS 3439.4:2009, Low-voltage switchgear and control gear assemblies –
Particular requirements for assemblies for construction sites (ACS);
New Zealand Electrical Codes of Practice (NZECP), ISSN 0114-0663 (available from
the Ministry of Business, Innovation and Employment);
and all subsequent amendments and replacements.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
14975 version 6
Page 2 of 4
3
Definitions
Industry practice – practice used and recommended by organisations involved in the
electrotechnology industry.
IP – ingress protection.
Regulations – the legislation, codes of practice, and standards listed above.
Switchboard – low-voltage switchgear and control gear assemblies, the rated voltage
of which does not exceed 1000 V a.c. at frequencies not exceeding 1000 Hz, or 1500
V d.c.
4
Range
All activities are to be conducted and knowledge is to be demonstrated in accordance
with applicable specifications, documented enterprise, legislative and/or regulatory
requirements, and local bylaws. Activities must also meet the requirements of the
above in terms of personal, product, and work site safety.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of the regulations applicable to earthing and shrouding of
switchboards.
Evidence requirements
1.1
The purpose of current regulations relating to earthing and shrouding of
switchboards is stated.
1.2
The intent and means of achieving compliance are stated for given regulations.
Range
1.3
given regulations – six passages from regulations selected by the
assessor.
The possible consequences for the operator of non-compliance with the
regulations are stated.
Outcome 2
Install switchboard earthing systems.
Evidence requirements
2.1
Earth termination points are provided for outgoing circuit connections.
2.2
All metal parts of the enclosure that require earthing are bonded to earth in
accordance with regulations and industry practice.
Outcome 3
Fabricate and install switchboard shrouding.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
14975 version 6
Page 3 of 4
Evidence requirements
3.1
Shrouding material chosen is suitable for the purpose in terms of electrical and
mechanical properties, and function.
3.2
Shrouding is cut to shape safely, accurately, and in a cost-effective manner
within industry accepted timeframes.
3.3
Shrouding is fitted to meet regulations and industry practice, and maintains the
specified IP rating.
Planned review date
31 December 2014
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
31 August 1998
31 December 2013
Revision
2
3 April 2001
31 December 2013
Revision
3
12 March 2002
31 December 2013
Review
4
20 March 2008
N/A
Rollover and
Revision
5
15 March 2012
N/A
Revision
6
15 January 2014
N/A
Consent and Moderation Requirements (CMR) reference
0003
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
14975 version 6
Page 4 of 4
Comments on this unit standard
Please contact The Skills Organisation reviewcomments@skills.org.nz if you wish to
suggest changes to the content of this unit standard.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016