Are lighting devices on mobile homes/house trailers required to be permanently mounted?

Section § 393.25: Requirements for lamps other than head lamps.

Question 1: Are lighting devices on mobile homes/house trailers required to be permanently mounted?

Guidance: No. The movement of mobile homes/house trailers is considered to be a driveaway-...

Must additional lamps that are not required be operative if all required lamps are operative?

Section § 393.24: Requirement for head lamps, auxiliary driving lamps and front fog lamps.

Question 1: Must additional lamps that are not required be operative if all required lamps are operative?

What are the lighting requirements when a tow truck is pulling a wrecked or disabled vehicle?

Section § 393.17: Lamps and reflectors – combinations in driveaway-towaway operation.

Question 1: What are the lighting requirements when a tow truck is pulling a wrecked or disabled vehicle?

Guidance: A wrecker pulling a vehicle would be considered...

Footnote 5, requires that each converter dolly be equipped with turn signals at the rear

Section § 393.11: Lamps and reflective devices.

Question 3: Section § 393.11, Footnote 5, requires that each converter dolly be equipped with turn signals at the rear if the converter dolly obscures the turn signals at the rear of the towing vehicle when towed...

What is the definition of ‘‘body’’ with respect to trucks and trailers?

Section § 393.11: Lamps and reflective devices.

Question 1: What is the definition of ‘‘body’’ with respect to trucks and trailers?

Guidance: The FMCSRs do not include a definition of ‘‘body.’’ However, a truck or trailer body generally means the...

May a decal designed to comply with the periodic inspection documentation requirements of § 396.17 be displayed on the windshields or side windows of a CMV?

Section § 393.60: Glazing in specified openings.

Question 2: May a decal designed to comply with the periodic inspection documentation requirements of § 396.17 be displayed on the windshields or side windows of a CMV?

Guidance: Yes, provided the decal is...