30 CFR § 28.2 - Approved fuses.

---
identifier: "/us/cfr/t30/s28.2"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 28.2 - Approved fuses."
title_number: 30
title_name: "Mineral Resources"
section_number: "28.2"
section_name: "Approved fuses."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "B"
subchapter_name: "TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS"
part_number: "28"
part_name: "FUSES FOR USE WITH DIRECT CURRENT IN PROVIDING SHORT-CIRCUIT PROTECTION FOR TRAILING CABLES IN COAL 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. 957, 961."
regulatory_source: "37 FR 7562, Apr. 15, 1972, unless otherwise noted."
cfr_part: "28"
---


# 28.2 Approved fuses.

(a) On and after the effective date of this part, fuses shall be considered to be approved for use with direct current in providing short-circuit protection for trailing cables in coal mines only where such fuses are: (1) The same in all respects as those fuses which have been approved after meeting the minimum requirements for performance and short-circuit protection prescribed in this Part 28; and (2) maintained in an approved condition.