1. LawStack
  2. Title 49 - Transportation
  3. Subtitle B - OTHER REGULATIONS RELATING TO TRANSPORTATION
  4. Chapter III - FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  5. Subchapter B - FEDERAL MOTOR CARRIER SAFETY REGULATIONS
  6. Part 393 - PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION
  7. Subpart B - Lamps, Reflective Devices, and Electrical Wiring
  8. 49 CFR § 393.23
49 CFR § 393.23
Power supply for lamps
November 18, 2020
CFR

All required lamps must be powered by the electrical system of the motor vehicle with the exception of battery powered lamps used on projecting loads.

[70 FR 48046, Aug. 15, 2005]

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§ 393.22 Combination of lighting devices and reflectors
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§ 393.24 Requirements for head lamps, auxiliary driving lamps and front fog lamps

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