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QUESTION

常见问题

Question

What is the use of fire lighting? Is it necessary to install this?

Answer

Emergency lighting for fire evacuation should be located on the wall or ceiling (applicable to fire double head emergency lighting, fire emergency ceiling light, fire emergency downlight / spotlight, etc.). Fire emergency lighting is the most common lighting tool in fire emergency. It has 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 and long service life. The power switch and the indicator light are designed on the side, which is suitable for emergency lighting in factories, hotels, schools, units and other public places.

Question

What are the led outdoor lights?

Answer

The types of outdoor lighting are mainly lamps with waterproof function. There are sodium lamps, mercury lamps, LED lamps and so on. Sodium lamps are the most common, and LED lights are now becoming popular. 1 The line is safe against electric shock and the line is connected to electricity. 2 The lamp has more rain cover, and the binding is strong and anti-shedding. 3 There are fuse measures, power, electric shock, blasting of the lamp can be powered off in time.

Question

What is the working principle of emergency lighting?

Answer

The principle is to use a rechargeable battery to boost the incandescent lamp or fluorescent lamp by inverting for half an hour to several hours. This kind of lighting is always in standby state. Once the power is cut off, the power is normally connected. When it is automatically charged to restore the standby state...

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