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Federal regulations · Through 2026-08-25 · Newer source version available

30 CFR 23.6: General requirements for approval.

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Where this section sits in the code
  1. Title 30—Mineral Resources
  2. CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
  3. SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS
  4. PART 23—TELEPHONES AND SIGNALING DEVICES

Telephones and signaling devices shall be durable in construction, practical in operation, and suitable for conditions of underground service. They shall offer no probable explosion hazard under normal operation if use in gassy or dusty mine atmospheres.

Collected 2026-08-27T02:25:24Z. Source file · JSON

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