13
FORM 6S KWH METER
2
3
3
6
4
C1
C1n
C2
C2n
C3
C3n
SCTB1
PRIMARY
FUSE
10
7
4
PTB1 11
A
B
14
C
N
4
1
OF
REV.:
SHEET:
1
DWG. TITLE:
3
SWM-2 (N2 BUS)
X1
DWG. NO.:
MAIN
CB
N2 VERIS METER, KWHR AND MF METER
X2
X1
X1
TYPE:
2CT X2
3CT X2
MAIN SWITCHBOARD 480/277V,
4W STANDARD METER WIRING DETAIL
1
1CT
A
LOAD B
BUS C
N
G
10
C1
C1n
C2
C2n
C3
C3n
SCTB2
STB2
11
1PT
A-X1
2PT
3PT
8
B-X1
X2
C-X1
X2
X2
N-X1
4
NOTES FOR SWITCHBOARD METERING WIRING DIAGRAM 480/277 VOLTS
SECONDARY
FUSE
4
SCTB3
4
12
VERIS METER CABINET
3
TO BAS
3
5
MULTI FUNCTION METER
C1
C1n
C2
C2n
C3
C3n
A11
A12
A21
A22
A31
A32
V1
V2
V3
N
L1
L2
1.
WIRING DIAGRAM APPLIES TO ALL BUILDING MAIN SWITCHBOARDS UTILIZED AS THE
SERVICE ENTRANCE AND FOR ANY SUB-FEED SWITCHBOARD IF LOCAL METERING OR
ENERGY MANAGEMENT METERING IS REQUIRED.
2.
ALL METERING WIRING AND COMPONENTS SHALL BE LOCATED IN A COMPLETELY
ISOLATED SECTION FROM ANY EXPOSED BUSS OR CABLE TERMINATIONS. SWITCHBOARD
TVSS EQUIPMENT WHERE SPECIFIED IS NOT ALLOWED TO BE INSTALLED IN THIS AREA.
9
A
B
3.
ALL VOLTAGE WIRING TO BE #14 AWG, ALL CURRENT WIRING TO BE #12 AWG.
4.
DASHED WIRING DENOTE FIELD WIRING BY INSTALLATION CONTRACTOR.
5.
MULTIFUNCTION METER WIRING SHOWN IS TYPICAL AND SHALL BE MODIFIED TO MATCH
THE PANEL METER PROVIDE BY THE EQUIPMENT VENDOR.
6.
NON-FUSED 3 POLE DISCONNECT, BUSSMANN PART NUMBER CDNF16A3 OR EQUIVALENT.
7.
PRIMARY FUSES, BUSSMANN PART NUMBER LPJ-XSP, (X IS THE AMPERAGE THAT SHALL
NOT EXCEED 6 AMPS) INSTALLED IN BUSSMANN 3 POLE FUSE BLOCK PART NUMBER
CH30J3I OR EQUIVALENT.
8.
POTENTIAL TRANSFORMERS SHALL BE 288:120 VOLT, TOTAL OF THREE.
9.
SECONDARY FUSES, BUSSMANN PART NUMBER LPN-RK-XSP, (X IS THE AMPERAGE THAT
SHALL NOT EXCEED 2 AMPS) INSTALLED IN BUSSMANN 3 POLE FUSE BLOCK PART
NUMBER R25030-3 OR EQUIVALENT.
10. SHORT CIRCUITING TERMINAL BLOCK, 6 POLE WITH 6 SHORTING SCREWS, MARATHON
PART NUMBER 1606SC OR EQUIVALENT.
C
11. TERMINAL BLOCK, 4 POLE, MARATHON PART NUMBER 1604STD, OR EQUIVALENT.
N
L1
12. REFER TO VERIS METER CABINET WIRING DIAGRAM VMC-2 DETAIL FOR MORE
INFORMATION.
L2
13. REFER TO KWHR METER WIRING DIAGRAM KWH-1 DETAIL FOR MORE INFORMATION.
14. JUMPERS BETWEEN SCTB1 AND SCTB2 TO BE REMOVED WHEN KWHR OR VERIS METERS
ARE INSTALLED.
15. ALL WIRING ON TERMINAL BLOCKS SHALL BE MADE WITH COMPRESSION RING STYLE
CONNECTORS.
16. ALL EQUIPMENT SHALL BE LABELED AS INDICATED. LABELS SHALL BE PHENOLIC, BLACK
WITH WHITE LETTERS.
17. ALL WIRING SHALL HAVE LABELS INSTALLED AT BOTH ENDS OF THE CONDUCTORS. ALL
LABELS SHALL BE TYPED, HEAT SHRINKABLE SLEEVES
EQUIPMENT AND WIRING SHOWN WITH SOLID LINES SHALL BE PROVIDED BY SWITCHBOARD
MANUFACTURER AND BE FACTORY WIRED.
#
Date
Revision
By
FACILITIES PLANNING
&
MANAGEMENT
KWH AND VERIS METER EQUIPMENT AND DASHED WIRING SHALL BE FIELD INSTALLED.
SCALE: NOT TO SCALE
SHEET SIZE: 11 X 17
POWER PLANT
AMES, IA
UTILITY SERVICES
DWG. TITLE:
SUBJECT:
DWG. NO.:
MAIN SWITCHBOARD 480/277V,
4W STANDARD METER WIRING DETAIL
N2 VERIS METER, KWHR AND MF METER
SWM-2 (N2 BUS)
REV.:
SHEET:
1
OF
1