June 99
conditions require that they will be so located, provide
suitable protection.
4.3
Underground Ducts and Conduits: Generally, encase
underground ducts and conduits in concrete. Under
buildings and roads, direct burial conduit may be used for
feeder and branch circuits where not exposed to risks of
damage or difficult replacement.
5.
WIRING AND EQUIPMENT:
5.l
Cable and Wiring:
A. Power and Lighting: Use No. 12 minimum size for
600 V (volts) or less. Sizes No. 10 and 12 shall be solid
conduit, sizes No. 8 and larger shall be stranded.
B. Signal: Refer to Article 10 and 11 for telephone and
ADP cabling.
5.2
Insulation: Coordinate with VA Master Construction
Specifications.
5.3
Equipment Grounding Conductors: Coordinate with VA
Master Construction Specifications and show on the plans.
5.4
Motor Disconnect Switches: Provide all motors with a local
disconnect switch (unfused unless special conditions
require otherwise) located at the motor or a maximum of
1500 mm (5 feet) away. Clearly indicate this requirement
on the contract drawings.
6.
RECEPTACLE AND POWER REQUIREMENTS:
6.1
General: This article establishes specific requirements for
the selection of electrical receptacles and power circuits by
the designer on the basis of location and service. The term
"receptacle" refers to power receptacles except where
signal types are specifically indicated. Provide polarized
receptacles which accept attachment plugs having
separate grounding prongs. Provide safety receptacles,
isolated ground receptacles, weatherproof receptacles,
ground fault interrupter receptacles or other special
purpose receptacles as required in this document. All
receptacles shall be duplex (NEMA #5-20) unless
otherwise noted or not commercially available in a
particular size. All installations shall be in accordance with
the National Electrical Code requirements.
6.2
Applications: The following provides the specific receptacle
and power requirements for each area or type of service:
VA Design Guide -- National Cemetery Administration
Page 5 -32
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