性能、操作安全性、效率、经济性、一致性、制造设施和服务是本SAE推荐实施规程的基础，适用于80英寸商用车前照灯以外的车外灯布线。或者更宽。本SAE推荐规程主要适用于新车，也适用于重新布线和维修。

Performance, operating safety, efficiency, economy, uniformity, facility of manufacturing, and service are the basis of this SAE Recommended Practice for wiring of exterior lamps exclusive of headlamps of commercial vehicles 80 in. or more in width. This SAE Recommended Practice which is principally for new vehicles is also applicable to rewiring and service.