BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 1、位置选择 应当在爆炸危险性较小或距离释放源较远的位置敷设电气线路。 2、敷设方式选择 爆炸危险环境中电气线路主要有防爆钢管配线和电缆配线。 3、.隔离密封 敷设电气线路的沟道以及保护管、电缆或钢管在穿过爆炸危险环境等级不同的区域之间的隔墙或楼板时，应采用非燃性材料严密堵塞。 4、导线材料选择 爆炸危险环境危险等级1区的范围内，配电线路应采用铜芯导线或电缆。在有剧烈振动处应选用多股铜芯软线或多股铜芯电缆。煤矿井下不得采用铝芯电力电缆。 爆炸危险环境危险等级2区的范围内，电力线路应采用截面积4mm2及以上的铝芯导线或电缆，照明线路可采用截面积2.5 mm2。及以上的铝芯导线或电缆。 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯 BPC8765-BPC8765 LED防爆平台灯BPC8765 LED防爆灯