Cal. Code Regs. Tit. 8, § 2940.9 - Protection from Backfeed Voltages

Before contacting the high voltage side of deenergized transformer(s), or conductor(s) connected thereto, all possible sources of backfeed shall be eliminated by:

(a) disconnecting or grounding the high voltage side, or

(b) disconnecting or short circuiting the low voltage side.

EXCEPTION: System(s) worked as energized.

Notes

Cal. Code Regs. Tit. 8, § 2940.9

1. New section filed 2-22-88; operative 3-23-88 (Register 88, No. 9).
2. Editorial correction of first paragraph (Register 95, No. 32).

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

1. New section filed 2-22-88; operative 3-23-88 (Register 88, No. 9).
2. Editorial correction of first paragraph (Register 95, No. 32).