§7.68. Firing line terminals test.
30 C.F.R. § 7.68
Test procedures.
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.
Acceptable performance.
The contact resistance shall not be greater than 1 ohm.
The No. 18 gauge wire shall not become disconnected from either firing line terminal.
Notes, amendments, and revision history
Source
Source: 54 FR 48210, Nov. 21, 1989, unless otherwise noted.
Authority
Authority: 30 U.S.C. 957.
Source
Source: 53 FR 23500, June 22, 1988, unless otherwise noted.