30 CFR § 77.516 - Electric wiring and equipment; installation and maintenance.

---
identifier: "/us/cfr/t30/s77.516"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 77.516 - Electric wiring and equipment; installation and maintenance."
title_number: 30
title_name: "Mineral Resources"
section_number: "77.516"
section_name: "Electric wiring and equipment; installation and maintenance."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "O"
subchapter_name: "COAL MINE SAFETY AND HEALTH"
part_number: "77"
part_name: "MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811."
regulatory_source: "36 FR 9364, May 22, 1971, unless otherwise noted."
cfr_part: "77"
---


# 77.516 Electric wiring and equipment; installation and maintenance.

In addition to the requirements of §§ 77.503 and 77.506, all wiring and electrical equipment installed after June 30, 1971, shall meet the requirements of the National Electric Code in effect at the time of installation.