BS 5266-1于1975年首次出版。本实施规程被用作制定欧洲标准EN 1838和EN 50172的基础。 作为应急照明的实施规程，BS 5266-1涵盖了应急照明的所有方面，并就提供详细相关信息的具体应用和产品标准的使用提供了指导。购买本文件时可获得的所有当前修订均包含在购买本文件中。

BS 5266-1 was first published in 1975. This code of practice was used as a basis for development of the European standards EN 1838 and EN 50172. As a code of practice on emergency lighting, BS 5266-1 covers all aspects of emergency lighting and gives guidance on the use of the specific application and product standards that provide detailed relevant information.All current amendments available at time of purchase are included with the purchase of this document.