Article 10.2.6 of the Fire Prevention Standard for Building Design (new revision of GBJ 16-87) : all units shall provide emergency lights for evacuation passages, exits and stairwells.

《建筑设计防火规范》第10.2.6条：各单位应在各疏散走道、出口及楼梯间设置事故应急照明灯。

youdao

The problems range from obstructions at fire exits and problems with fire extinguishers to a lack of fire evacuation plans, alarms and emergency lights.

BBC: 'Unsafe' Brazil nightclubs closed after Santa Maria fire