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Governments of North Bay / Marin City and County of San Francisco
Phone: (415) 860-4451 E-mail: support@marinelectric.com
Marin County / San Francisco
Electrical Panel Requirements
NEC
Code for
electrical panel requirements is not a complete electrical reference for services, installations or
repairs. Some cities have more strict code standards. Electrical Panel
Requirements do change from time to time. Always use electricians that are
certified by the State of California. Electrical Panel Requirements and Your
Safety is Our Top Priority.
Meter Height
The height of the meter shall be between 48 inch and 66 inch above
the ground.
Bonding
Bonding
of the hot, cold, and gas lines is required when the electrical
panel is replaced. Bonding shall
consist of a continuous bond jumper installed at the water heater
between the hot, cold, and gas lines.
Working Space
The
clear working space in front of the panel shall be 30 inch wide by
36 inch deep with a minimum headroom clearance of 6 feet - 6 inch
(Article 110.26)
Grounding of
Services
Electrical Grounding System shall consist of a continuous grounding
electrode conductor run from the panel to a ground rod (grounding
electrode) and to the cold water pipe. Grounding of the electrical
service at the main water line must be within the first 5 feet of
water piping into the building. The underground water service shall
not be used as the grounding electrode without supplemental
electrode. [Article 250.53 (d)] For existing structures and additions not affecting the main electrical service panel location, the grounding electrode shall be nonferrous (copper), listed, and not be less than 1/2 inch in diameter. The electrode shall be installed such that at least 8 feet of length is in contract with the soil. The upper end of the electrode shall be flush with or below ground level unless the above-ground end and the grounding electrode conductor attachment is protected against physical damage.
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DISCLAIMER
Our company accepts no liability for the content of this Electrical Panel Requirements page, or for the consequences of any actions taken on the basis of the information provided, unless that information is subsequently confirmed in writing.
