ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 1 Issue 02
GL.CSD.01
Revision 00
Page 1 of 23
Approved by: CSD Director
ADDC Guidelines for Energy Meter Installation
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 2 Issue 02
GL.CSD.01
Revision 00
Page 2 of 23
Approved by: CSD Director
Contents:1.
PURPOSE
4
2.
SCOPE
4
3.
DEFINITIONS AND TERMINOLOGY
4
4.
REFERENCE
5
5.
RESPONSIBILITIES
5
6.
PROCESS / GUIDELINES
6
6.1
INSPECTION
6
6.2
MATERIAL REQUIRED/ INSTALLATION
6
6.3
CT OPERATED (LV) METERING
7
6.4
CT VT OPERATED (HV) METERING
8
7
METER CABINET DIMENSION
10
8
TEMPORARY CONNECTION REQUIREMENTS
11
8.1
UP TO 50KW
11
8.2
LOAD GREATER THAN 50 KW (CT METERS)
12
8.3
FOUNDATION FOR TEMP METER ENCLOSURE
13
9
GRP METER CABINET AND FOUNDATION FOR PUBLIC AREA METER INSTALLATION
13
10
QUICK REFERENCE
17
11
RSB METERING REQUIREMENTS AND REGULATIONS
17
11.1
METER EQUIPMENT ACCURACY
17
11.2
MAIN & CHECK REQUIREMENTS
18
12
ILLUSTRATIONS
18
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Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 3 Issue 02
GL.CSD.01
Revision 00
Page 3 of 23
Approved by: CSD Director
AMENDMENTS SHEET
ISSUE/
REV. #
PAGE
NUMBER
SUBJECT OF THE AMENDMENT
APPROVED BY
DATE
01/00
All
First Issue
CSD Director
1-01-2017
02/00
13
GRP METER CABINET AND
FOUNDATION FOR PUBLIC AREA
METER INSTALLATION
CSD Director
2-09-2018
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 4 Issue 02
GL.CSD.01
1.
Revision 00
Page 4 of 23
Approved by: CSD Director
PURPOSE
The purpose of this guidelines is to provide the simplest and the most efficient process to
assess and finalize energy meter installation request, in accordance with the targets set by
ADDC.
2.
SCOPE
The scope of this guidelines is to provide and ensure that all energy meter installation
requirements are accepted for install meter as per ADDC regulation, and follow up the snag
list
3.
DEFINITIONS AND TERMINOLOGY
The following terminologies are used through this guidelines :
ADDC
DoE
RSB
SLD
LDN
FA
MIM
CT
VT
CBCT
AMR
MDB
SMDB
FDB
LVDB
ACB
MCCB
MCB
RCD
XLPE
PVC
Kwh
MVA
KVA
A
V
L.V
: Abu Dhabi Distribution Company
: Department of Energy
: Regulation and Supervision Bureau.
: Single Line Diagram
: Load Demand Notification
: Field Activity
: Meter installation and Maintenance
: Current Transformer
: Voltage Transformer
: Core Balancing Current Transformer
: Automated Meter reading
: Main Distribution Board
: Sub Main Distribution Board
: Final Distribution Board
: Low Voltage Distribution Board
: Air Circuit Breaker
: Moulded Case Circuit Breaker
: Miniature Circuit Breaker
: Residual Current Device
: Cross-Linked Polyethylene
: Polyvinyl Chloride
: Kilo Watt hour
: Mega Volt Ampere
: Kilo Volt Ampere
: Ampere
: Volt
: Low Voltage
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 5 Issue 02
GL.CSD.01
Mm
Cm
S.T
R.C
T.B
GRP
4.
Page 5 of 23
Approved by: CSD Director
: Millimeter
: Centimeter
: Shunt Trip coil
: Relay Control
: Terminal Block
: Glass Reinforced Plastic
REFERENCE
•
•
5.
Revision 00
ADDC approved single line diagram.
Guaranteed and Overall Service Standards related to connections.
RESPONSIBILITIES
Meter Installation & Maintenance
Section
Customer Service Section
Licensed Electrical Contractor
The following table lists the internal and external entities who are owners and contributors to
the Energy Meter Installation Guidelines:
A/R
N/A
R/A
R/A
A
A/R
R
A/R
R
Review application, assign work to
technicians
A/R
R
R
Physical meter installation& Testing
A/R
N/A
R/A
Action owner
Action / Activities
Carry the internal wiring for meter
installations &provision as per ADDC
and DoE (RSB) regulations
Inspect the site as per Meter
Inspection FA and provide snag list
to electric contractor
Open Meter install request and
create the bill for meters supply
A : Accountable, R : Responsible, C : Consulted, I : Informed, N/A : Not Applicable.
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 6 Issue 02
GL.CSD.01
6.
Revision 00
Page 6 of 23
Approved by: CSD Director
PROCESS / GUIDELINES
6.1 INSPECTION
6.1.1 Metering network has to be pre-inspected either in parallel with the LV inspection or prior to
the meter installation.
6.1.2 During the metering network inspection, contractor's presence at site is essential.
6.1.3 Permanent and finalized premise identification number must be labelled on all premises.
6.2 MATERIAL REQUIRED/ INSTALLATION
6.2.1 GRP meter cabinet with IP66 and IP65 standard must be used for installation. I.e. outdoor
and main LV room installation in high rise building.
6.2.2 For Villas and restricted buildings, the meters should be outside on boundary wall to access
easily for the meter readers and maintenance team.
6.2.3 Meters are not allowed inside the shop, should be in electrical room.(New Meter connections
or old meters for upgrade/ Shifting etc.)
6.2.4 18 mm Marine plywood or Fire rated plywood required for foundation of meter installation
inside the meter cabinet. (Metal or mica sheet not allowed).
6.2.5 Spacer must be provided between marine plywood and meter cabinet base.
6.2.6 The height of metering board or meter cabinet must be kept at least 80cms from the ground.
i.e. distance between meter board till ground level
6.2.7 Maximum height of Metering board or meter cabinet should not exceed 200cm.
6.2.8 10 cm clearance is required between the meter board and mounted wall (all the sides should
be covered)
6.2.9 Metering board must be mounted properly with C- channel or thread bar for typical meter
installation.
6.2.10 Required flush mounted installation of cabinet for outdoor installation.
6.2.11 Both ends of metering cables must be with glands. i.e. panel and meter cabinet.
6.2.12 All spare breakers and future load in MDB and SMDB must be pad locked
6.2.13 If more than 1 meter is fixed on a metering board – There must be 10cm space vertically and
15cm space horizontally between the meters.
6.2.14 If the cable size is 16mm2 or below, the minimum space between the cable entry and the
meter base must be 15cms.
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 7 Issue 02
GL.CSD.01
Revision 00
Page 7 of 23
Approved by: CSD Director
6.2.15 If the cable size is 25mm2, the minimum gap between the cable entry and the meter base
should be 20cms.
6.2.16 More than six direct meters are not allowed in at one meter board (120cmm X 120cm) for
maintenance purpose.
6.2.17 Permanent and finalized premise identification number must be labelled on all premises
(meter side, breaker side, premises, cables and FDB).
6.2.18 For AMR system, color coded cables (R-Y-B-N-E) connected from main incomer of each MDB
to be provided with 10 A MCB in the control cabinet and same colour coded wires are to be
laid from MCB to a PVC(standard) box (300x300“ mm) mounted beside the meter. There
should be a C clamp channel and connectors inside the PVC box.
6.2.19 All the PVC (standard) boxes mounted beside the meter for AMR system in each floor of the
building (as mentioned above 6.2.18) to be looped with PVC Conduit from floor to floor and
finally at Main Electric room.
6.2.20 Control wire with a size 4CX 0.75sqmm also should be provided through these PVC pipes in
between floor to floor. Any other type of such cast iron pipes, flexible GI Pipes, normal flexible
pipe etc. Would not be allowed to use expect PVC Conduit.
6.2.21 For AMR control cable conduit with 2YY 3 x 0.25sqmm Lapp cable must be provided from
energy meter room to water meter room.
6.2.22 In cases were Check water meter has been installed, a continuity cable should be provided
from the check meter to the main electric room.
6.2.23 For ESTIDAMA and BMS meters, should be connected only after the tariff meters.
6.2.24 For BMS system the connection from ADDC tariff meter not allowed.
6.2.25 Assistance and approval will be provided by Metering section in case of PV installation.
6.3 CT OPERATED (LV) METERING
CT - Current Transformer
6.3.1 MCCB up to 630Amps for CT operated meters must have shunt trip facility and two single
core (2.5mm) control cables is to be laid from MCCB to metering cabinet.
6.3.2 A control supply should be available with separate MCB and suitable connection block to
operate the Shunt coils for individual breakers for multiple meters connected to the
premises.
6.3.3 CT’s burden and accuracy should comply with the RSB regulations.
6.3.4 CT must be dedicated for tariff metering no other connections allowed with metering CT.
6.3.5 Rating of CT coils for main meters should be same as per ACB and transformer rating (Main
& Check and Pilot Meter)
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 8 Issue 02
GL.CSD.01
Revision 00
Page 8 of 23
Approved by: CSD Director
6.3.6 Armored cable should be used for C.T. Meters
6.3.7 If the required load is more than 1MVA, provisions should be made to install a check meter.
6.3.8 Pilot meter (bulk meter) provision should be provided, If one MDB fed to individual metering
with different Service Points (with meter cabinet )
6.3.9 Energy meters from different transformers / MDB / SMDBs should not be allowed in one
meter cabinet.
6.3.10 1x12core 4mm2 XLPE or (3 x 4C x 4mm XLPE) cable is to be provided for all CT operated
meter’s wiring with identification ferrules.
6.3.11 1x12core 4mm2 XLPE with 1x4C x 4mm XLPE or (4 x 4C x 4mm XLPE) cable is to be provided
for all CT operated Main meter and check meter’s wiring with identification ferrules.
6.3.12 1x19 core 4mm2 XLPE or (4 x 4C x 4mm XLPE) or 1X12core 4mm2 XLPE with 1x4C x 4mm XLPE
cable is to be provided for Main & check meters.
6.3.13 For large Service Points, where CT s installed inside MDB in high rise building, a cabinet should
be provided inside the electrical room for the billing and check meters.
6.3.14 For Bulk load, CT&VT terminal (suitable 14nos TB for Main and check) should be provided at
Main Incomer compartment/Section with sealable Enclosure.
6.3.15 Metering cables both ends must be gland. i.e. panel and meter cabinet with Gland sheet.
6.3.16 Lockable fuse carriers or protection breakers Should be provided for the potential ( in
between source of supply and meter)
6.3.17 Boot legs are required to terminate the CT operated metering connection.
6.3.18 Meter cabinet and all other requirements. As mentioned in section 7 and 11.
6.3.19 Contractor should carryout dressing all cables with suitable wire legs and covered by cable
spirals.
6.3.20 CT coils should be in accessible and visible area.
6.3.21 CT coils location in cubicle /compartment in MDB to be marked in the panel with
identification
6.4 CT VT OPERATED (HV) METERING
CT- Current Transformer
VT- Voltage Transformer
6.4.1 Contractor submits their LDN, SLD and complete switch gear drawing to the metering section
prior to the first inspection.
6.4.2 The site inspection must be conducted in the presence of contractor and switch gear
engineers.
6.4.3 CT’s burden and accuracy should comply with the RSB regulations.
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 9 Issue 02
GL.CSD.01
Revision 00
Page 9 of 23
Approved by: CSD Director
6.4.4 4 x 4C x 4mm XLPE or 1 x 19C X4mm XLPE cable should be used for metering. As mentioned
in 6.3.9 to 6.3.11
6.4.5 Separate MCB’s rated 6 Amps required for each main and check meters VT connection
6.4.6 Main metering CT core must be dedicated for tariff metering.
6.4.7 Identification of CT and VT terminals should be same as shown in the As-built drawings.
6.4.8 Meter cabinet and all other requirements. See no. 6.2.1 to 6.2.9.
6.4.9 Color coded 1 x 4C x 2.5 mm cable provided from LV DB (10 Amps MCB) for AMR
6.4.10 After the meter installation, contractor should arrange for primary injection test in the
presence of ADDC metering Dept.
CT Operated (LV) Main & Check Metering Diagram
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 10 Issue 02
GL.CSD.01
7
Revision 00
Page 10 of 23
Approved by: CSD Director
METER CABINET DIMENSION
Single CT meter
(500X405X250mm)
Double CT or Direct meter
(665x560X255mm)
4 X direct meter
(1200X600X250mm)
Single Direct meter
with cut outer
(665x560X255mm)
4 X CT meter
(850X650X270mm)
Meter Type
No. of meter
Height(mm)
Width(mm)
Depth(mm)
View glass
CT meter
1
500
405
250
1
CT meter
2
665
560
255
2
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Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 11 Issue 02
GL.CSD.01
8
Revision 00
Page 11 of 23
Approved by: CSD Director
CT meter
>2
850
650
270
4
Direct meter
1
665
560
255
1
Direct meter
2
665
560
255
2
Direct meter
>2
1200
600
250
4
TEMPORARY CONNECTION REQUIREMENTS
8.1 UP TO 50KW
➢
➢
➢
➢
➢
GRP box- 2 box- 800mmx650mmx300mm
GRP box- 1 box- 1000mmx1000mmx300mm
GI Gland plate required at Bottom side for cable gland
Water proof + weather proof & canopy
Earth pit should be provided.
Number of Boxes
Height(mm)
Width (mm)
Depth(mm)
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 12 Issue 02
GL.CSD.01
Revision 00
Page 12 of 23
Approved by: CSD Director
Using 2 boxes
800
650
300
Using 1 box
1000
1000
300
8.2 LOAD GREATER THAN 50 KW (CT METERS)
➢
➢
➢
➢
➢
➢
GRP box- 1Box-1200mmx1000mmx350mm- FOR DB
GRP box- 1Box-800mmx650mmx300mm - FOR METER
GI Gland plate required at Bottom side for cable gland
Box should be Water proof + weather proof & canopy
All outgoing should be though RCD with FDB
Earth pit should be provided
Number of Boxes
Height(mm)
Width (mm)
Depth(mm)
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 13 Issue 02
GL.CSD.01
Revision 00
Page 13 of 23
Approved by: CSD Director
Using DB boxes
1200
1000
350
Using Meter box
800
650
300
8.3 FOUNDATION FOR TEMP METER ENCLOSURE
➢ 40 cm height from Ground level
➢ Boxes must fix in foundation with GI fix bolt
9
GRP METER CABINET AND FOUNDATION FOR PUBLIC AREA METER INSTALLATION
➢ In the outdoor meter installation such as street light, Bus shelters, traffic light and monitoring
cameras, separate GRP meter cabinet with concrete foundation shall be provided.
➢ Foundation should be min 40cm height from the ground level.
➢ Minimum 120cm height shall be provided from ground level up to meter viewing Perspex.
➢ A Cut-out is to be provided before the meter inside the meter cabinet (Substation /garden /beach
/public toilet etc.).
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Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 14 Issue 02
GL.CSD.01
Revision 00
Page 14 of 23
Approved by: CSD Director
➢ Not allowed to connect main cable directly to the meter without isolation point (MCCB/ Isolator).
➢ Meter location not permitted on Centre median in all cases.
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ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 15 Issue 02
GL.CSD.01
Revision 00
Page 15 of 23
Approved by: CSD Director
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 16 Issue 02
GL.CSD.01
Revision 00
Page 16 of 23
Approved by: CSD Director
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 17 Issue 02
GL.CSD.01
Revision 00
Page 17 of 23
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10 QUICK REFERENCE
Type of Meter
Max
Length
of Cable
(Mts)
Size of
Cable to
meter
Burden
CT
VA
Accuracy
C.T Ratio
Load in KW
100 / 5 A - CT meter
4 mm2
13
100 / 5 A
5
0.5
Maximum 55 KW
200 / 5 A - CT meter
4 mm2
28
200 / 5 A
10
0.5
Maximum 110 KW
300 / 5 A - CT meter
4 mm2
28
300 / 5 A
10
0.5
Maximum 160 KW
600 / 5 A - CT meter
4 mm2
28
600 / 5 A
10
0.5
Maximum 350 KW
1000 / 5 A - CT meter
4 mm2
42
1000 / 5 A
15
0.5
Maximum 550 KW
1600 / 5 A - CT meter
4 mm2
42
1600 / 5 A
15
0.5
Maximum 800 KW
2000 / 5 A - CT meter
4 mm2
42
2000 / 5 A
15
0.2
Above 800 KW
2500 / 5 A - CT meter
4 mm2
42
2500 / 5 A
15
0.2
Special cases
3000 / 5 A - CT meter
4 mm2
42
3000 / 5 A
15
0.2
Special cases
4000 / 5 A - CT meter
4 mm2
42
4000 / 5A
15
0.2
Special cases
1 Phase Direct Meter
Maximum size of cable 25mm2
Maximum 9 KW
3 Phase Direct Meter
Maximum size of cable 25mm2
Maximum 52 KW
2000 / 5 A
ACB rating up to 2000 A
Transformer 1500 kVA
2500 / 5 A
If ACB rating 2500 A
Transformer 1500 kVA
3000 / 5 A
ACB rating up to 3000 A
Transformer 2000 kVA
4000 / 5 A
If ACB rating 4000 A
Transformer 2000 kVA
4000 / 5A
If ACB rating 4000 A
Transformer 2500 kVA
11 RSB METERING REQUIREMENTS AND REGULATIONS
11.1 METER EQUIPMENT ACCURACY
SL No:
Meters
Circuit Capacity
Measurement Transformers
KWh
KVarh
Current
Voltage
1
Greater than 100 MVA
0.2 S
2.0
0.2 S
0.2
2
Greater than 10 MVA up to 100 MVA
0.2 S
2.0
0.2 S
0.2
3
Greater than 1 MVA up to 10 MVA
0.5 S
3.0
0.2
0.5
4
Greater than 100 KVA up to 1 MVA
1.0
3.0
0.5
0.5
5
Less than 100 KVA
2.0
3.0
0.5
N/A
This Document is the property of ADDC, and cannot be used nor given to outside party without prior authorization. Print outs from soft copies are
Uncontrolled, unless stamped in red as “Controlled Copy”
ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 18 Issue 02
GL.CSD.01
Revision 00
Page 18 of 23
Approved by: CSD Director
11.2 MAIN & CHECK REQUIREMENTS
SL No:
Meters
Circuit Capacity
Measurement Transformers
KWh
KVarh
Current
Voltage
1
Greater than 100 MVA
Main & Check
Main & Check
Main & Check
Main & Check
2
Greater than 10 MVA up to 100
MVA
Main & Check
Main & Check
Main & Check
Main
3
Greater than 1 MVA up to 10
MVA
Main & Check
Main
Main
Main
4
Greater than 100 KVA up to 1
MVA
Main
Main
Main
Main
5
Less than 100 KVA
Main
Main
Main
Main
For more information, please visit : http://rsb.gov.ae/publications
12 ILLUSTRATIONS
Individual Meters for apartments
Mounted Wall
10 CM
Flat
601
55 CM
Spare
601
0000 kWh
0000 kWh
3X 100A
Flat Flat
602 603
3X 100A
0000 kWh
0000 kWh
3X 100A
Flat
604
3X 100A
Spare
602
603
604
605
606
607
608
200 CM
5 CM
0000 kWh
55 CM
0000 kWh
3X 100A
0000 kWh
3X 100A
3X 100A
Flat
606
Flat
607
0000 kWh
3X 100A
As per Article
2.11, 2.12
Flat
605
5 CM
80 CM
15 CM
80 CM
Ground level
Flat
608
Threaded Bar
Ground level
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ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 19 Issue 02
GL.CSD.01
Revision 00
Page 19 of 23
Approved by: CSD Director
AMR - Bridge box located on the wall in the main electrical room
Water meters located in a water meter cabinet
Enclosures at Main Electrical Room
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ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 20 Issue 02
GL.CSD.01
Revision 00
Page 20 of 23
Approved by: CSD Director
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ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 21 Issue 02
GL.CSD.01
Revision 00
Page 21 of 23
Approved by: CSD Director
Typical installation - new and existing low-rise buildings
(Commercial villas)
( 3 core meter data cable 0.25 mm ² from Water meter box to Energy meter Box)
Shunt Trip Connection with ELR
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ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 22 Issue 02
GL.CSD.01
Revision 00
Page 22 of 23
Approved by: CSD Director
Shunt Trip Connection without ELR
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ADDC Guidelines for Energy Meter
Installation
Effective Date : 02/09/2018
Guideline No : GL.CSD.01 - 23 Issue 02
GL.CSD.01
Revision 00
Page 23 of 23
Approved by: CSD Director
Shunt Trip Connections on Multiple Outgoing Meters
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