Cal. Code Regs. tit. 8, § 2909
The collector ring assembly on revolving-type machines (shovels, draglines, etc.) shall be guarded to prevent accidental contact with energized parts by personnel on or off the machine.
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).