2.7.12.3
Duplex Receptacles
Duplex receptacles shall be installed on each end wall of the switchgear
aisle and at approximately 1.8 m 6-foot intervals along the exterior wall
of the aisle. Receptacles and receptacle plates shall be ivory in color.
Receptacles shall be the two-pole, three-wire, grounded type rated at 15
amperes and 125 volts, NEMA WD 1 configuration 5-15R.
2.7.12.4
Lighting and Appliance Branch Circuit Panelboards
Lighting and appliance branch-circuit panelboards for the protection of the
indicated low-voltage circuits shall be located as specified or indicated
and shall conform to the requirements of Section 16402 INTERIOR
DISTRIBUTION SYSTEM. Ratings of panelboard mains shall be compatible with
the supply voltage to the panelboard. Circuit breakers in a direct-current
panelboard shall be rated for [48] [125] volts dc operation.
2.7.13
Accessories
Accessories identified in NEMA SG 6 shall be provided for the inspection,
testing, maintenance, and repair of circuit breakers, and shall include one
set of any special tools, as necessary to repair and maintain circuit
breakers and major switchgear components. Maintenance and testing
accessories shall include, but are not limited to the following:
a.
Portable gear motor for electric-power positioning of circuit
breakers, if required by the breaker design.
b.
Secondary test coupler for testing of drawout circuit breakers in
the test position.
c.
Hand crank for positioning of circuit breakers.
d.
Transfer truck, for movement of circuit breaker units.
e.
Test cabinet for closing and tripping of circuit breakers by
electrical control operations.
f.
Lifting and transfer device for two-high circuit breaker units.
2.7.14
Finish Color
Finish color of the switchgear shall comply with the requirements for
cabinets specified in paragraph CABINETS AND ENCLOSURES.
2.8
INSTRUMENT TRANSFORMERS
2.8.1
General
Instrument transformers shall comply with ANSI C12.11 and IEEE C57.13.
Instrument transformers shall be configured for mounting in/on the device
to which they are applied. Polarity marks on instrument transformers shall
be visually evident and shown on drawings.
2.8.2
Current Transformers
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NOTE: See TM 5-811-1 regarding guidance on current
transformers. Accuracy class ratings of current
SECTION 16311A
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