Lighting distribution board "the system is determined according to the demand"
The lighting distribution board generally has three functional systems:
1. The fire work lighting function system composed of fire emergency work lights is set for fire fighting and rescue personnel. It is generally set in important places such as power generation and distribution room, fire pump room, fire control center and communication center. Its emergency working time shall not be less than 90min and meet the requirements of normal working illumination;
2. The fire evacuation function system composed of fire emergency evacuation lights is set up to provide the required illumination during personnel evacuation. It is generally set in public walkways and vertical staircases. Its emergency working time is not less than 90min and the illumination is not less than 0.5lx;
3. The emergency evacuation sign function system composed of low-level fire emergency evacuation lighting, evacuation instructions and other sign forms (such as photoluminescent signs) provides clear guidance directions and ways for personnel evacuation. It is generally installed in public walkways and vertical stairs in large public places with dense personnel such as shopping malls and cinemas, and is usually located on the ground or LM below the ground, The emergency working time shall not be less than 90min, and the surface brightness of the main sign interface of the sign lamp shall not be less than 15CD / m2.