§ 393.23 Power supply for lamps.
发布02-19
生效03-23
摘要总结AI 辅助解读
该条款规定所有必需灯具必须由机动车电气系统供电，但用于突出载荷（projecting loads）的电池供电灯具除外。原文出自49 CFR § 393.23，旨在明确车辆照明系统的电源合规要求，属于技术性操作规范。
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]