黑退鋼管廠家
香蕉視頻app污:
電線導(dao)管:電線電纜(lan)的保護管。
電線穿管:在(zai)施(shi)工過程中(zhong),先按圖(tu)把(ba)保(bao)護管敷設好,然(ran)后,把(ba)電線電纜穿進(jin)管子到達用電器。
電(dian)(dian)(dian)線一般用于承載電(dian)(dian)(dian)流的導電(dian)(dian)(dian)金屬線材。電(dian)(dian)(dian)線穿管有(you)以(yi)下好處。
1、穿布(bu)管的布(bu)線基礎
穿管布(bu)線(xian)是布(bu)“活線(xian)”的基礎(chu),為(wei)了以后(hou)線(xian)路(lu)維護、更換(huan)和家(jia)庭智能化打下(xia)基礎(chu)。
2、保護絕緣層
防止電(dian)(dian)線(xian)的絕緣層(ceng)(ceng)受損。如果直接埋進(jin)水泥砂漿中,硅(gui)酸鹽(yan)可能會腐蝕電(dian)(dian)線(xian)的絕緣層(ceng)(ceng),導(dao)致電(dian)(dian)線(xian)絕緣下(xia)降而造成短路(lu);
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