U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jun 06, 2023

All TitlesTitle 49Chapter IIIPart 393Subpart B - Subpart B—Lamps, Reflective Devices, and Electrical Wiring
§ 393.9 - Lamps operable, prohibition of obstructions of lamps and reflectors.
§ 393.11 - Lamps and reflective devices.
§ 393.13 - Retroreflective sheeting and reflex reflectors, requirements for semitrailers and trailers manufactured before December 1, 1993.
§ 393.17 - Lamps and reflectors—combinations in driveaway-towaway operation.
§ 393.19 - Hazard warning signals.
§ 393.20 - [Reserved]
§ 393.22 - Combination of lighting devices and reflectors.
§ 393.23 - Power supply for lamps.
§ 393.24 - Requirements for head lamps, auxiliary driving lamps and front fog lamps.
§ 393.25 - Requirements for lamps other than head lamps.
§ 393.26 - Requirements for reflectors.
§ 393.27 - [Reserved]
§ 393.28 - Wiring systems.
§ 393.29 - [Reserved]
§ 393.30 - Battery installation.
§§ 393.31–393.33 - §[Reserved]
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