StacksVerified U.S. regulatory reference

30 CFR §57.6401

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Except during testing—
  1. (a)Electric detonators shall be kept shunted until connected to the blasting line or wired into a blasting round;
  2. (b)Wired rounds shall be kept shunted until connected to the blasting line; and
  3. (c)Blasting lines shall be kept shunted until immediately before blasting.