Quantcast Grounding Systems

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LANTNAVFACENGCOM A&E GUIDE
3/93
addition to the panel nameplate, provide a label with the following
inscription: "Emergency Breaker Within." Label shall be
constructed and fastened identical to the panel nameplate, except
the label shall be red laminated plastic with white center core.
d. If significant amounts of emergency power are required for loads other
than lighting and fire protection systems, provide a second source of
emergency power in accordance with NFPA 70, Article 700.
e. For systems that require emergency power sources, such as generators
or uninterruptible power systems (UPS), these sources may be
incorporated into the design.
GROUNDING SYSTEMS
A.2.7
Proper grounding is essential both for safety and for the correct operation of
sophisticated systems. Provide grounding systems in accordance with NFPA
70; MIL-STD-188-124, "Grounding, Bonding and Shielding for Common Long
Haul/Tactical Communication Systems;" MIL-HDBK-419A, "Grounding,
Bonding, and Shielding for Electronic Equipment and Facilities;" MIL-
HDBK-1012/1, "Electronic Facilities Engineering;" NAVSEA OP-5,
"Ammunition and Explosives Ashore;" and other criteria as applicable.
Provide grounding plans and details as part of the project drawings.
A.3
MEDIUM-VOLTAGE EQUIPMENT (2,000 - 69,000 VOLTS)
A.3.1
MEDIUM-VOLTAGE CABLE
A.3.1.1
DESCRIPTION
Provide the following minimum information:
a. Conductor size
b. Number of conductors (e.g., 3-1/c, 1-3/c, etc.)
c. Insulation voltage rating (e.g., 5 kV, 15 kV, etc.)
d. Insulation type
A.3.1.2
INSULATION TYPE
Provide ethylene propylene rubber (EPR) for new cable. Paper insulated
lead covered (PILC) should be used only where special conditions justify.
Attachment A-17





 


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