s screw connection, loosen the screw lamp, rotate the light body, can quickly open lid, 5.钢管或电缆布线；5. Steel tubeorcable wiring, 6.镇流器，吊灯盒由用户选配。6. Ballast, droplight box from user's choice. 7.符合GB3836-2000、IEC60079, GB12476.1-2000,IEC61241标准要求。7. GB3836-2000, accord with IEC60079, GB12476.1-2000, IEC61241 standard requirement.
三、BAD50隔爆型防爆灯光源种类 功率 进线口螺纹/电缆外径Third, BAD51 flameproof explosion-proof light source type power the inlet thread/cable di