Cal. Code Regs. tit. 8, § 2918
All transformers, switches, motor controllers, motors, rectifiers, and other equipment installed below ground shall be protected from physical damage by location or guarding.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Editorial correction adding Note filed 11-2-83 (Register 83, No. 45).