30 CFR § 28.3 - Installation, use, and maintenance of approved fuses.

---
identifier: "/us/cfr/t30/s28.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 28.3 - Installation, use, and maintenance of approved fuses."
title_number: 30
title_name: "Mineral Resources"
section_number: "28.3"
section_name: "Installation, use, and maintenance of 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: "2026-03-24"
last_updated: "2026-03-24"
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"
---


# 28.3 Installation, use, and maintenance of approved fuses.

Approved fuses shall be installed and maintained in accordance with the specifications prescribed by the manufacturer of the fuses, and shall be selected and used in accordance with the standards prescribed for short-circuit protective devices for trailing cables in Parts 75 and 77, Subchapter O of this chapter.