
EMERGENCY ESCAPE LIGHTING SYSTEMS
出版:European Committee for Standards - Electrical

专家解读视频
基本信息
标准编号: PREN 50172 : DRAFT 1993
标准类别:Draft
出版单位:European Committee for Standards - Electrical
标准页数:0
标准简介
Specifies the indication and illumination requirements of escape routes in the event of failure of the normal supply, and specifies minimum continuous periods of such emergency lighting based on the size, type and usage of the premises.