49 CFR 393.23 - Power supply for lamps.

Regulations last checked for updates: May 03, 2025

Title 49 - Transportation last revised: Mar 20, 2025

View all text of Subpart B [§ 393.9 - § 393.33]

§ 393.23 - Power supply for lamps.

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]

authority: 49 U.S.C. 31136,31151,31502; sec. 1041(b), Pub. L. 102-240, 105 Stat. 1914, 1993; secs. 5301 and 5524, Pub. L. 114-94, 129 Stat. 1312, 1543, 1560; and 49 CFR 1.87

source: 33 FR 19735, Dec. 25, 1968, unless otherwise noted.

cite as: 49 CFR 393.23