StacksVerified U.S. regulatory reference

30 CFR §75.604

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
When permanent splices in trailing cables are made, they shall be:
  1. (a)Mechanically strong with adequate electrical conductivity and flexibility;
  2. (b)Effectively insulated and sealed so as to exclude moisture; and
  3. (c)Vulcanized or otherwise treated with suitable materials to provide flame-resistant qualities and good bonding to the outer jacket.
  4. (d)Made using splice kits accepted or approved by MSHA as flame resistant.