1. LawStack
  2. Title 30 - Mineral Resources
  3. Chapter I - Mine Safety and Health Administration, Department of Labor
  4. Subchapter B - Testing, Evaluation, and Approval of Mining Products
  5. Part 18 - Electric Motor-Driven Mine Equipment and Accessories
  6. Subpart B - Construction and Design Requirements
  7. 30 CFR § 18.23
30 CFR § 18.23
Limitation of external surface temperatures
May 28, 2026
CFR

§ 18.23 Limitation of external surface temperatures.

The temperature of the external surfaces of mechanical or electrical components shall not exceed 150 °C. (302 °F.) under normal operating conditions.

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§ 18.22 Boring-type machines equipped for auxiliary face ventilation
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§ 18.24 Electrical clearances

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