Single - core cable with or without sheath 單芯電纜有或無護套
Single - core cable 單芯電線
Cables , wires and flexible cords for power installation ; special rubber - insulated single - core cables 電力設施用電纜電線和絕緣導線.特種橡膠絕緣單芯電
For laying indoors 、 in tunnel or cable trench , unable to bear external mechanical forces . single - core cable in magnetic duct is not permissible 室內(nèi)、隧道及電纜溝等場所,不能承受機械外力。單芯電纜不允許敷設在磁性管道中。
For laying in doors , in tunnel and in cable trench , unable to bear external mechanical forcess . single - core cable in magnetic duct is not permissible 室內(nèi)、隧道及電纜溝等不能承受機械外力的場所。單芯電纜不允許敷設在磁性管道中。
The armoured single - core cables are used for d . c . system only . as for a . c . system , non - magnetic armour material should be used , or a magnetic isolation shouls beapplied 單芯鎧裝電纜僅用于直流系統(tǒng),若用于交流系統(tǒng),應采用非磁性材料鎧裝或隔磁措施。
The armoured single - core cables are used for d . c . system only . as for a . c . system , the magnetic isolation should be applied on the non - magnetical armored layer or non - magnetical materials should be used 注:單芯鎧裝電纜僅用于直流系統(tǒng),若用于交流系統(tǒng),應采用非磁性材料的鎧裝層或采用隔磁措施。