Code of Federal Regulations · Section

§ 57.6403 — Branch Circuits

30 C.F.R. § 57.6403

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(a) If electric blasting includes the use of branch circuits, each branch shall be equipped with a safety switch or equivalent method to isolate the circuits to be used.

(b) At least one safety switch or equivalent method of protection shall be located outside the blast area and shall be in the open position until persons are withdrawn.

30 C.F.R. § 57.6402 30 C.F.R. § 57.6404

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