... ,fluorescent lamp,incandescent table light. Marine portable light,fluorescent lamp,incandescent table light.Application1,Can ... 2,Can be used in IIAIIBgroup explosive atmosphere.3,Suitable for incandescent lamp,mercury vapor lamp, high-pressure sodium vapor ... quickly opened up and is conventient for maintenance.4,suitable for steelpipe.5,suitable for GB3836-2000.IEC60079 standard request.Ex-markExd Bt4 ...