The emergency lighting used for fire evacuation should be set on the wall or ceiling (applicable to fire double-head emergency lighting, fire emergency ceiling light, fire emergency down light/spot light, etc.). Fire emergency lighting is the most common lighting tool in fire emergency. It has a long emergency time and high brightness with automatic power failure emergency function. The fire emergency light has the characteristics of low power consumption, high brightness, long service life, etc. The power switch and indicator light are designed on the side, which are suitable for factories, hotels, schools, units and other public places for emergency lighting in case of power failure.
The types of outdoor lighting fixtures are mainly those with waterproof function. There are sodium lamp, mercury lamp, LED lamp and so on. Sodium lamps are the most common, and now LED lamps are also becoming popular. 1. The wiring shall be safe against electric shock and electric connection. 2 Lamps shall be equipped with rain-proof covers, which shall be firmly bound to prevent falling off. 3 With fuse measures, power can be cut off in time in case of electric connection, electric shock and lamp explosion.
Its principle is to use rechargeable battery to boost the voltage through inversion, so that the incandescent lamp or fluorescent lamp can maintain lighting for half an hour to several hours. This lighting is always in standby state. Once the power is cut off, it will be automatically connected to work, and when the power supply is normal, it will be automatically charged and restored to standby state