MSHA - Code of Federal Regulations - 30 CFR 7.68
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DEPARTMENT OF LABOR
Mine Safety and Health Administration - MSHA
- Protecting Miners' Safety and Health Since 1978
30 CFR § 7.68
Firing line terminals test.
(1) The contact resistance through each firing line terminal shall be determined.
A 10-pound pull shall be applied to a No. 18 gauge wire that has been connected to each firing line terminal according to the manufacturer's instructions.
(1) The contact resistance shall not be greater than 1 ohm.
The No. 18 gauge wire shall not become disconnected from either firing line terminal.
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