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Voltage to Ground. Lampholders, fixtures, or standard receptacles rated 15 amperes or less shall not be supplied by voltages exceeding 150 volts to ground.
EXCEPTION: No. 1: Supply voltages between 150 and 300 volts to ground shall be permitted provided all of the following conditions are met: a. Only qualified persons will service the lighting fixtures;
b. The lighting fixtures are approved for the supply voltage;
c. The fixtures, other than permanently installed electric discharge-type, are mounted not less than 8 feet above the floor. Where conditions do not permit 8 feet, the light fixture shall be permitted at the available height provided the fixtures are suitably guarded; and
d. Integral lighting switches, if used, shall not be readily accessible.
EXCEPTION: No. 2: The supply voltage may exceed 300 volts for permanently installed fixtures at a height of 18 feet or more.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Repealer of Article 51 (Sections 2510.3-2510.81, not consecutive) and new Article 51 (Sections 2510.1-2510.58, not consecutive) filed 8-9-79; effective thirtieth day thereafter (Register 79, No. 32). For prior history, see Register 78, No. 5.
2. Amendment of Exception No. 1 filed 9-7-79; effective thirtieth day thereafter (Register 79, No. 36).
3. Amendment deleting subsection (a) designation only filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).