30 CFR § 56.6401 - Shunting.

§ 56.6401 Shunting.

Except during testing -

(a) Electric detonators shall be kept shunted until connected to the blasting line or wired into a blasting round;

(b) Wired rounds shall be kept shunted until connected to the blasting line; and

(c) Blasting lines shall be kept shunted until immediately before blasting.

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