If it's a single utility company that serves the house or building, then they are definitely enforcing their own code. I can say with certainty that it's 3-5 feet between a gas meter vent and an above ground transformer. Then it's 5 feet between the edge of an LP gas tank, and a meter base. Yeah, it depends on the serving utility.
This is directly from one of our serving utility companies:
Minimum clearances from structures, building openings, and gas meters
A minimum clearance of 3 feet is required between electric service lines and
windows, doors, porches, fire escapes, or similar openings.
A minimum horizontal clearance of 3 feet is required between electric service
equipment and natural gas meter pressure relief vent (see Figure 14).
Service lines passing over the roof of another structure (but not attached to that
structure) must maintain the minimum clearances (see Figure 14).
Service lines passing over a deck must maintain a minimum clearance of 11 feet
(see Figure 14).
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Last edited by Ohm1 : July 21st, 2009 at 04:39 PM.
Reason: added LP tank and util example