(Amended by Ord. No. 154,234, Eff. 9/8/80.)
(a) Railways. The provisions of this Code shall not apply to the following electric wiring installed, owned, maintained or controlled by an interstate, interurban or street railway;
1. Electric wiring in any generating plant, central station or substation used for generating, transforming or transmitting electrical power used exclusively for operating trains, engines, car or trolley coaches; or
2. Overhead and underground distribution systems used exclusively for the operation of equipment listed in Subdivision 1 of this subsection; or (Amended by Ord. No. 185,587, Eff. 7/16/18.)
3. Electric wiring used exclusively for signaling and communication purposes.
(b) Serving Agency. The provisions of this Code shall not apply to the following electric wiring installed, owned, and controlled by an electrical utility or serving agency which supplies electricity to 100 or more separate premises:
1. Any generating plant, receiving station, switching station, distributing station, or industrial or commercial station under the control of such utility or serving agency. However, nothing contained in this subdivision shall be construed to exempt any electric wiring which is used for general lighting or general power purposes such as heating, cooling, ventilating, elevators, or pumping equipment; nor to exempt any feeder, service, switchboard, branch circuit panelboard or standby power generator used in whole or in part for general building operation purposes; and (Amended by Ord. No. 176,775, Eff. 8/1/05, Oper. 8/1/05.)
2. Any electrical wiring for its supply lines or mains; and
3. Service drops to the service point which are attached to a structure or the outermost exterior wall of a building, or a roof immediately adjacent to an exterior wall of a building; and (Amended by Ord. No. 176,775, Eff. 8/1/05, Oper. 8/1/05.)
4. Service laterals and their raceways where installed under not less than two inches of concrete beneath a building or other structure and not located in a hazardous location; and (Amended by Ord. No. 176,775, Eff. 8/1/05, Oper. 8/1/05.)
5. All service wiring located within a customer owned station and the high voltage conductors to such station which have all enclosing conduit encased in three inches of concrete; and
6. Service conductors and raceways encased in not less than two inches of concrete, or raceways that are not concealed, which extend from an interior station to service equipment located adjacent to the station; and
7. Meters of metering equipment.
(c) Communication Public Utility Systems. (Amended by Ord. No. 161,316, Eff. 7/7/86.)
1. The provisions of this Code shall not apply to installation of communications equipment under the exclusive control of communications public utilities, located outdoors or in building spaces used exclusively for communications purposes in the exercise of its communications utility functions, except where such communications equipment is located in a hazardous location or penetrates any fire-resistive wall or floor system of cable systems that are located in a plenum area or access floor area. (Amended by Ord. No. 162,834, Eff. 10/26/87.)
2. Nothing contained in Subdivision 1 of this subsection shall be construed to exempt any electric wiring which is used for external, internal, alternating or direct current power supplies and/or rectifiers exceeding 500va used to supply power to communication public utility equipment or used for general lighting or general power purposes such as heating, cooling, ventilating, elevators, or pumping equipment, nor to exempt any feeder, service, switchboard, branch circuit panelboard or standby power generator used in whole or in part for general building operation purposes, except as to communication public utility equipment for the transmission of audio, data, video and other services housed within a central office exclusively operated by a communications public utility where such equipment is not located in hazardous locations. (Amended by Ord. No. 176,775, Eff. 8/1/05, Oper. 8/1/05.)
(d) Vehicles. The provisions of this Code shall not apply to any vehicle which complies with the California State Vehicle Act. This exemption does not include transportable generating, transforming and related control equipment which is mounted on vehicles and used for the supply of wiring regulated by this Code.
(e) Municipal Systems. The provisions of this Code shall not apply to a Municipal System for street lighting, traffic signal or police and fire alarm where installed outside of buildings on public property.
(f) Mobile Homes, Travel Trailers, Camp Cars and Mobile Home Parks. This Code shall not apply to mobile homes, travel trailers, camp cars and mobile home parks, including permanent buildings, accessory buildings and wiring outside of buildings within such parks.
(g) Hazardous Locations Not Exempted. (Amended by Ord. No. 172,593, Eff. 6/28/99, Oper. 7/1/99.) The foregoing exceptions from the requirements of this Code shall not apply to any electric wiring located in an area classified as a hazardous location by Article 500 of the CEC.