Cal. Code Regs. tit. 8, § 2757
Insulators and insulator supports shall have sufficient mechanical strength to withstand the maximum stress to which they may be subjected by a fault on the system to which they are applied. Insulators for bare conductors shall have a minimum voltage rating equal to the nominal system voltage.
(Title 24, Part 3, Section 3-710-84(b).)
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.
1. Editorial correction filed 11-2-83 (Register 83, No. 45).
2. Amendment filed 12-10-87; operative 1-9-88 (Register 88, No. 1).