1) The power equipment cable shall not be laid in the same trench with the pipeline conveying class A, B and C liquid, combustible gas and power.

2）配电线路不得穿越通风管道内腔或敷设在通风管道外壁上，穿金属管保护的配电线路可紧贴通过管道外壁敷设。

2) The distribution line shall not pass through the inner cavity of the ventilation pipe or be laid on the outer wall of the ventilation pipe. The distribution line protected by metal pipe can be laid close to the outer wall of the pipe.

3）配电线路敷设在有可炮灰物的闷顶内时，应采取穿金属管等防火保护措施；敷设在有可燃物的吊顶内时，宜采取穿金属管、采用封闭式金属线槽或难燃材料的塑料管等防火保护措施。

3) When the distribution line is laid in the closed roof with gunpowder, it should take fire protection measures such as metal pipe; when it is laid in the ceiling with combustible materials, it should take fire protection measures such as metal pipe, closed metal trunking or plastic pipe of flame-retardant materials.

4）开关、插座和照明灯具靠近可燃物时，应采取隔热、散热等防炎保护措施。哈尔滨电气成套设备卤钨灯和额定功率不小于100W的白炽灯光的吸顶灯、槽灯、嵌入式灯，其引入线应采用瓷管、矿棉等不燃材料作隔势保护。超过60W的白炽灯、卤钨灯、金属卤灯光源、荧光高压汞灯（包手电感镇流器）等，不应直接安装在可燃装修材料或可燃构件上。

4) When switches, sockets and lighting fixtures are close to combustibles, anti-inflammatory protection measures such as heat insulation and heat dissipation shall be taken. The lead-in wires of halogen tungsten lamps, ceiling lamps, trough lamps and embedded lamps with rated power not less than 100W of incandescent lamps of Harbin Electric complete equipment shall be protected by incombustible materials such as porcelain tube and mineral wool. Incandescent lamps, halogen tungsten lamps, metal halide lamp light sources, fluorescent high-pressure mercury lamps (including manual inductive ballasts) with power over 60W shall not be directly installed on combustible decoration materials or combustible components.