上海某电子厂房电气施工图

一.电力.照明说明 The instruction of power distribution and lighting:
1.电力干线截面在35mm 以上者均采用ZR-YJV-0.6/1.0kV阻燃型交联铜芯塑料电缆，截面在35mm 及以下者采用 ZR-VV-0.6/1.0kV阻燃型铜芯塑料电缆。电缆在桥架内敷设，引出桥架穿钢管保护,在吊顶内敷设或明敷。
If the section of the main line cable is larger than 35mm ,adopt fire resistant XLPE type of cable.If the section of the main line cable is 35mm or smaller than 35mm ,adopt ZR-VV-0.6/1.0kV fire resistant type of copper core cable.The cables are laid in the cable tray.Out of the cable tray,they\'ll be protected in steel pipe and laid above the false ceiling or exposed laying.
2.电力支线除注明外均为BV－750型铜芯塑料电线，穿焊接钢管保护，在吊顶内敷设或埋墙.埋地暗敷. 控制线路均为RVVP型绝缘电线，有桥架的地方在桥架内敷设，无桥架处穿焊接钢管保护，明敷。
Except noting,the type of the power branch line is BV-750 type of copper core conductor.They will be laid above the false ceiling or concealed laying in the wall or in the floor. The type of the control line is RVVP type of insulated conductor.The control line will be laid in the cable tray or exposed laying in welded steel pipe.