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Explosive mark examples
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1. ClassⅡB, group T6 flame-proof explosive electric equipment, mark ExdⅡ BT6.
2. Class , group T3 increased safety explosive electric equipment , mark ExeⅡ T3.
3. It adopts two types. First mark main explosion-proof type, then mark other explosion-proof type. The main body adopts increased safety and built-in class Ⅱ C flame-proof EX parts, temperature T4, mark ExeⅡ CT4.
4. It adopts two types. First mark main explosion-proof type, then mark other explosion-proof type. The main body adopts flame-proof and connecting is increased safety, mark ExdeⅡ BT5.
5. Class, group T4 pressurized apparatus explosive electric equipment, mark ExpⅡ T4.
Fixed explosion-proof lighting 
Fixed professional lighting
Portable professional lighting
Portable explosion-proof lighting