§ 7-107. Classification of wiring.

All wiring above fifty (50) volts used for light, heat or power shall be classed "A" or "B."

(1)

Class A. In the fire zone, in factories, public buildings, commercial establishments, and new apartment buildings, with three (3) floors above grade, electrical wiring shall be Class A. Class A wiring shall be installed in acceptable raceways in all cases except that by "special permission" in rewiring of existing apartments and residences of multiple occupancy, branch circuit conductors may be installed with non-metallic sheathed cable with a grounding connector as an integral part of the cable assemblage. All metallic raceways shall be electrically bonded and connected to all non-metallic cable grounding conductor throughout the system and grounded at a common point at the main service entrance.

(2)

Class B. Residential wiring. Residential branch circuit conductors at a minimum shall be installed in non-metallic sheathed cable with a grounding conductor. In basements the cable shall be installed no less than two (2) inches above the bottom of joists. Below the bottom of joists all wiring shall be installed in acceptable raceways. All metallic raceways shall be electrically bonded and connected to all non-metallic cable grounding conductor throughout the system and grounded at a common point at the main service entrance.

(Ord. No. 29-83, § 20A, 6-21-83)