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Separation Requirements Between Underground Electrical and other services

Separation Requirements Between Underground Electrical and other services

Separation Requirements Between Underground Electrical and other services

(OP)
Hi
Can anybody direct me to a standard that mentions separation rquirements between underground electrical cables and othjer services?

RE: Separation Requirements Between Underground Electrical and other services

Can you tell us what country you are located in, voltage levels, and what other types of services you are talking about?

RE: Separation Requirements Between Underground Electrical and other services

I think NESC [National Electric Safety Code IEEE/ANSI C2] will be suitable for it.
See:
NESC Rule 354:
2. Radial separation of supply and communications cables or conductors from steam lines, gas, and other lines that transport flammable material shall be not less than 300 mm (12 in) and shall meet Rule 353.
3. Supply circuits operating above 300 V to ground or 600 V between conductors shall be so constructed, operated, and maintained that when faulted, they shall be promptly de-energized initially or following subsequent protective device operation (phase-to-ground faults for grounded circuits, phase-to-phase faults for ungrounded circuits).

RE: Separation Requirements Between Underground Electrical and other services

(OP)
dpc
I am in Canada but the project we are working on is in Boston. I can see 12" clearance in many utility requirements but couldn't find a standard

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