... 1,2,3-2000 ,IEC60079 standard request. NICE Safety-increased lightingApplication1.Used in Zone 1 and Zone ... 2.With incandescent lamp ,mercury lamp,high-pressure sodium lamp,metal halide lamp.3.Can be matched with lamp dome reflector. ... s outside diameter(Φ,mm)Inlet's thread(G")Lamp socketE-markBCD-250IP56,WF110-14 3/4E27ExedIIBT4Supplied with ... W)250300175,250150,250175,250 NICE Safety-increased lighting