PVC套(tao)管(guan)是指外(wai)殼(ke)由(you)PVC塑料制(zhi)成。除塑料套(tao)管(guan)外(wai)，還有金屬套(tao)管(guan)和陶瓷套(tao)管(guan)。

　　PVC套管(guan)(guan)是一種敷設在電(dian)(dian)線、電(dian)(dian)纜、管(guan)(guan)道(dao)、管(guan)(guan)道(dao)等(deng)外(wai)部的導管(guan)(guan)。最常(chang)見的是穿(chuan)墻(qiang)PVC套管(guan)(guan)，這(zhe)是管(guan)(guan)道(dao)通(tong)過水管(guan)(guan)和電(dian)(dian)線通(tong)過墻(qiang)壁(地(di)板(ban))。此外(wai)，有幾根電(dian)(dian)線被(bei)穿(chuan)在管(guan)(guan)子里，這(zhe)也被(bei)稱為套管(guan)(guan)。如電(dian)(dian)源線路(lu)插(cha)座板(ban)、風(feng)扇等(deng)。

　　生活中隨處可見(jian)PVC套管(guan)(guan)(guan)。PVC膠管(guan)(guan)(guan)有很多，如(ru)電(dian)纜(lan)、電(dian)線(xian)(xian)、水(shui)管(guan)(guan)(guan)、氣管(guan)(guan)(guan)等，不能(neng)直(zhi)接與(yu)PVC套管(guan)(guan)(guan)和(he)箱(xiang)體連(lian)接。所有導體分布、強和(he)弱導體照明線(xian)(xian)路、插座,空調線(xian)(xian),電(dian)話(hua)線(xian)(xian),網(wang)絡線(xian)(xian),有線(xian)(xian)電(dian)視線(xian)(xian),音頻(pin)線(xian)(xian),視頻(pin)線(xian)(xian),音頻(pin)線(xian)(xian)應(ying)該有袖(xiu)的,PVC管(guan)(guan)(guan)和(he)電(dian)纜(lan)盒之(zhi)間的連(lian)接必須(xu)使用一個(ge)特殊的袖(xiu)袖(xiu),正常運行是(shi)管(guan)(guan)(guan)道連(lian)接。好的，然(ran)后把電(dian)線(xian)(xian)放進去。

　　PVC套管(guan)電(dian)(dian)氣(qi)產品，材料必須符合國家現(xian)行標準并經(jing)認證合格的(de)產品，電(dian)(dian)氣(qi)施工人員應持有從業資格證。嚴禁將電(dian)(dian)線(xian)直接(jie)插(cha)入(ru)抹灰層。配電(dian)(dian)導(dao)體應鋪設PVC套管(guan)。PVC管(guan)一般有6點(dian)和4點(dian)，4點(dian)的(de)管(guan)只能穿1.5 MM見(jian)方的(de)燈(deng)管(guan)線(xian)，導(dao)線(xian)在管(guan)內(nei)嚴禁接(jie)縫，接(jie)縫應在接(jie)線(xian)盒(接(jie)線(xian)盒)內(nei)。一根(gen)PVC管(guan)內(nei)導(dao)體的(de)總截面積不(bu)得(de)超(chao)過(guo)(guo)管(guan)內(nei)導(dao)體截面積的(de)40%，一根(gen)PVC管(guan)內(nei)不(bu)得(de)超(chao)過(guo)(guo)三(san)根(gen)導(dao)體。

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