Cal. Code Regs. tit. 25, § 2166
Only copper grounding conductors shall be used to connect electrical systems to a grounding electrode. Grounding conductors shall be protected from physical damage by cabinet enclosures, raceways or cable armor.
Note: Authority cited: Section 18865, Health and Safety Code. Reference: Section 18873.3, Health and Safety Code.
1. New section filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).