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CFR > Title 30 - Mineral Resources > CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR > SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS (parts 5 to 36) > PART 18—ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES > SUBPART B—Construction and Design Requirements (§18.20 to §18.54) > 18.43—Explosion-proof splice boxes.
18.43—Explosion-proof splice boxes.
Internal connections shall be rigidly held and adequately insulated. Strain clamps shall be provided for all cables entering a splice box.