§ 393.9 Lamps operable, prohibition of obstructions of lamps and reflectors.
发布02-19
生效03-23
摘要总结AI 辅助解读
本条款规定美国联邦法规第49篇中关于车辆灯具及反光装置的操作与可见性要求。核心义务包括：(a)所有法定必需灯具必须随时处于可操作状态（辅助灯具除外）；(b)严禁因尾板、货物覆盖物、污垢或加装设备遮挡法定灯具及反光材料。仅允许前部防护装置的警示标识被部分货物遮挡。该规定直接关联跨境陆运车辆的合规检查标准，违反可能导致罚款或停运。
- (a) All lamps required by this subpart shall be capable of being operated at all times. This paragraph shall not be construed to require that any auxiliary or additional lamp be capable of operating at all times.
- (b) Lamps and reflective devices/material required by this subpart must not be obscured by the tailboard, or by any part of the load, or its covering by dirt, or other added vehicle or work equipment, or otherwise. Exception: The conspicuity treatments on the front end protection devices may be obscured by part of the load being transported.
[70 FR 48027, Aug. 15, 2005]