Title 15 BUILDINGS AND CONSTRUCTION
Chapter 15.20 ELECTRICAL CODE
15.20.080 Service entrances.
Rules and regulations pertaining to service entrance for electrical wiring
shall be as follows:
A. Service entrance wiring, except that of a
temporary nature, shall be run in approved rigid conduit or electrical metallic
tubing having an interior diameter of not less than three-fourths inch or with
approved service entrance cable, with approved service heads or conduit fittings
on their exterior terminals. The service entrance shall be continuous from the
service head to the entrance switch box except for meter case or enclosure. All
service entrance cables shall be fused before entering any combustible wall or
partition, into the braker box, a distance no greater than the thickness of the
wall.
B. Each set of service entrance conductors shall have a
disconnecting means located in a readily accessible space. The disconnecting
means shall consist of not more than six switches or six circuit breakers per
building.
C. All service entrances shall be installed only by or under
the direction of the master electrician.
D. The length of an unfused run
of an electrical service entrance from the conduit fitting to the entrance
switch shall not exceed fifteen (15) feet except where unusual local conditions
indicate the desirability of exceeding this limit and the length of such run may
be extended upon special permission granted in writing by the electrical
inspector. (Outside building)
E. The minimum voltage, number of
conductors and ampacity for residential service shall conform to the following
requirements:
1. 120/240 volts, three-wire single phase -- one hundred
(100) amperes (24 KVA);
2. 120/240 volts, three-wire single phase --
fifty-five (55) amperes (13.2 KVA);
3. 120/208 volts, four-wire
three-phase -- fifty-five (55) amperes (19.8 KVA).
F. No panel board or
switch box shall be installed within three feet of an indoor gas meter. (Ord.
G-770 § 2 (part), 1993: prior code § 5-408)
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