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(A) All electrical wiring for light, heat, power or other purposes hereafter installed in the city as respectively described in the following subsections hereof shall in all cases be contained and encased in approved metallic or rigid metallic conduit in the fire zone and approved rigid metallic or nonmetallic conduit elsewhere as allowed by the city’s Electrical Inspector:
(1) All electrical wiring in commercial buildings situated in the city and in buildings used for public gatherings;
(2) Wiring for decorative lighting and window displays; provided however, the Electrical Inspector may grant permission for a period not to exceed ten days for temporary decorative or window displays to be installed with open wiring, after which period such installations shall be removed. The Inspector may, however, grant an extension of ten days after inspection of temporary wiring, if found safe. However, not more than three such extensions are to be granted;
(3) All electrical wiring in grain elevators or places used for storage of grain, garages, filling stations, buildings used for storing of gasoline or other readily inflammable materials, machine shops, freight houses and in other commercial buildings where electrical energy is used to operate machines or appliances for profit;
(4) Wiring incidental to the installation of electrical motors where such motors are one horsepower or more, and in such installations the conduit shall come flush with the terminal side of the motor and be equipped with an approved fitting;
(5) On all service installations from entrance to meter socket shall be in conduit with approved fittings. All meter sockets shall be grounded in an approved manner. All service-entrances will be fused at the nearest practical point from the meter socket; and
(6) All supply wiring for electrical signs will have permanent approved connections for the voltage in which they work. New installations shall comply with latest national code and be approved by the Electrical Inspector before installation.
(B) For all wiring installed in conduit underground or in concrete slabs or other masonry in direct contact with moist earth or in other permanently moist locations where subject to condensation of moisture, the conductors shall be of a type specifically approved for this purpose.
(C) Armored cable known to the electrical trade as TV will not be approved.
(D) In any residence, service wires from the meter base to the breaker panel shall be run in conduit. Main disconnects shall be located as follows:
(1) Where the conduit encasing the service wires is more than ten feet in length, the main disconnect shall be outside the building adjacent to the meter;
(2) Where the conduit encasing the service wires is ten feet or less in length, the main disconnect shall be either inside the building in or alongside the breaker panel or outside the building adjacent to the meter.
(`93 Code, § 5-304) (Ord. 1059, passed 4-10-84; Am. Ord. 1155, passed 12-11-90; Am. Ord. 1363, passed 3-12-02)