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Two basic classification standards of explosion-proof lamps
Mar 13, 2018

The vast majority of explosion-proof type for protection against electric shock I kind of lamps and lanterns of lamps and lanterns, only a few for Ⅱ, Ⅲ lamps and lanterns. For example: plastic explosion-proof lamps, explosion-proof flashlight.

First, according to the shell protection grade classification: in order to protective dust, solid foreign bodies and water into the lamp lumen, touching or product set on live parts to produce fire, short circuit or destruction of electrical insulation, such as dangerous, there are many way to protect the electrical insulation shell protection. Use the characteristic letter "IP" followed by two Numbers to represent the protection level of the shell. The first number represents protection against human, solid, or dust. It is divided into 0-6. Explosion-proof luminaire is a kind of sealed lamp, its dustproof ability is at least level 4 above, the second digit indicates the protection ability of water, divided into 0-8 class.

Second, according to the design of lamps and lanterns of bearing surface material classification: indoor explosion-proof lamps may be installed in many belongs to the surface of ordinary combustible materials, such as wooden walls and ceilings, they do not allow the surface temperature of the explosion-proof lamps installed more than security value. According to whether the explosion-proof lamps can be installed directly on the surface of ordinary combustible materials can be divided into two types.

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