ECFR SNAPSHOT / CURRENT THROUGH 2026-08-19

30 CFR 77.505

Cable fittings; suitability.

CHAPTERCHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

PARTPART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES

SUBPARTSubpart F—Electrical Equipment—General

CURRENT PUBLIC TEXT

Cables shall enter metal frames of motors, splice boxes, and electric compartments only through proper fittings. When insulated wires, other than cables, pass through metal frames, the holes shall be substantially bushed with insulated bushings.