View all text of Subjgrp 50 [§ 56.6400 - § 56.6407]
§ 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.