30 CFR § 18.4 - Electrical equipment for which approval is issued.

---
identifier: "/us/cfr/t30/s18.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 18.4 - Electrical equipment for which approval is issued."
title_number: 30
title_name: "Mineral Resources"
section_number: "18.4"
section_name: "Electrical equipment for which approval is issued."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "B"
subchapter_name: "TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS"
part_number: "18"
part_name: "ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES"
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. 957, 961."
regulatory_source: "33 FR 4660, Mar. 19, 1968, unless otherwise noted."
cfr_part: "18"
---


# 18.4 Electrical equipment for which approval is issued.

An approval will be issued only for a complete electrical machine or accessory. Only components meeting the requirements of subpart B of this part or those approved under part 7 of this chapter, unless they contain intrinsically safe circuits, shall be included in the assemblies.

[57 FR 61209, Dec. 23, 1992]