What is an explosion-proof lighting distribution box

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What is an explosion-proof lighting distribution box? It is a distribution device specifically designed for use in environments with explosive gases and areas with flammable explosive dusts, intended for controlling lighting fixtures. Its performance must comply with standards such as “GB3836.1-2010”, “GB3836.2-2010”, “GB3836.3-2010”, “GB12476.1-2013”, and others. Manufacturers of explosion-proof lighting switch boxes must possess an “explosion-proof certification” as well as the “**Mandatory Product Certification (CCC certification)””. http://www.boost350.cn/wp-content/uploads/2020/07/2020072005263196.jpg Features of explosion-proof lighting distribution boxes: The housing of explosion-proof lighting distribution boxes is usually made by die-casting aluminum alloy; in areas with severe corrosion, materials resistant to corrosion such as engineering plastics or stainless steel are used. The lighting distribution box has a compact structure and is relatively small in size, so it is generally installed wall-mounted. Explosion-proof lighting switch boxes have low load; the main circuit generally uses 380V or 220V supply voltage, with a current not exceeding 63A. The branch circuits typically use 2-pole circuit breakers or 1-pole circuit breakers, with a current not exceeding 16A.