California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 5 - Electrical Safety Orders
Group 1 - Low-Voltage Electrical Safety Orders
Article 51 - Lighting Fixtures, Lampholders, Lamps and Receptacles
Section 2510.1 - Maximum Voltage
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
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.
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).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
