30 CFR § 56.12008 - Insulation and fittings for power wires and cables.
---
identifier: "/us/cfr/t30/s56.12008"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 56.12008 - Insulation and fittings for power wires and cables."
title_number: 30
title_name: "Mineral Resources"
section_number: "56.12008"
section_name: "Insulation and fittings for power wires and cables."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "K"
subchapter_name: "METAL AND NONMETAL MINE SAFETY AND HEALTH"
part_number: "56"
part_name: "SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811."
regulatory_source: "50 FR 4054, Jan. 29, 1985, unless otherwise noted."
cfr_part: "56"
---
# 56.12008 Insulation and fittings for power wires and cables.
Power wires and cables shall be insulated adequately where they pass into or out of electrical compartments. Cables shall enter metal frames of motors, splice boxes, and electrical compartments only through proper fittings. When insulated wires, other than cables, pass through metal frames, the holes shall be substantially bushed with insulated bushings.