東北防火電纜絕緣防火電纜附件具有彈性，與電纜的連接嚴密，克服了熱縮材料的缺陷（熱縮材料沒有彈性，在電纜的熱脹冷縮過程中，電纜本體與電纜本體之間會有間隙，為水樹的開展提供了便利）。例如幾根長電纜，每根長度約3km，關于此類電纜，除了制作心接頭外，還能夠使用一個或兩個電纜分線盒。一旦一段電纜被水吞沒，它不會分散到其他電纜段，并且在電纜發生毛病時，很簡單逐段找到電纜。

當咱們知道了家裝用絕緣防火電纜的類型、厚度、顏色等參數后，咱們總算能夠把單子拿到市場上開始購買。面臨琳瑯滿目的電線，信任大多數用戶又一次呆若木雞了——這么多品種的電線，終究如何把高品質的產品帶回家。買絕緣防火電纜主要看兩個方面：導線和絕緣。只要這兩個部分沒問題，它就證明是一條好導線，拿出一根電線，剝去電線上的絕緣層，露出里邊的銅線——這就是導體。咱們能夠從兩個方面來判別導體的優缺，雖然它們都叫，但它們不是純銅。里邊或多或少會有雜質。雜質越多，導體的導電性就越差。導體中雜質的含量一般以顏色表明，銅被稱為紫銅或紫銅，這種銅的顏色是紅色和紫色，呈現紫紅色和暗紅色。絕緣防火電(dian)(dian)纜(lan)加強電(dian)(dian)鉗工的(de)(de)教育訓練(lian)，制(zhi)定精細(xi)的(de)(de)電(dian)(dian)器(qi)設備包機制(zhi)度，尤其是電(dian)(dian)纜(lan)管理。嚴(yan)厲電(dian)(dian)纜(lan)的(de)(de)高低壓接線(xian)盒(he)的(de)(de)操作工藝。誰制(zhi)作，誰維護，應掛牌留(liu)名(ming)。嚴(yan)厲巡回查看(kan)制(zhi)度：接線(xian)防爆情況、是否有溫升、懸掛是否符合要(yao)求等，都應詳(xiang)細(xi)查看(kan)，做(zuo)好記(ji)錄(lu)。

絕(jue)(jue)緣(yuan)防(fang)火電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)形成鎧(kai)裝(zhuang)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)放(fang)炮毛病，在(zai)制作(zuo)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)頭(tou)時，因(yin)為三叉(cha)(cha)處絕(jue)(jue)緣(yuan)受傷或絕(jue)(jue)緣(yuan)處理不妥、工藝不符合質量要求(qiu)，經(jing)常(chang)在(zai)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)三叉(cha)(cha)處發生(sheng)(sheng)短路事端。留意處理好三叉(cha)(cha)的絕(jue)(jue)緣(yuan)，不允許讓纖維材(cai)料從三叉(cha)(cha)處直通外部空(kong)氣，從而避(bi)免因(yin)為毛細(xi)管效果讓潮氣進(jin)入，損壞(huai)三叉(cha)(cha)口的絕(jue)(jue)緣(yuan)強度，電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)鎧(kai)裝(zhuang)鋼帶裂口、鉛(qian)包裂紋，由此進(jin)入潮氣，使絕(jue)(jue)緣(yuan)損壞(huai)而形成短路事端。絕(jue)(jue)緣(yuan)防(fang)火電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)關于(yu)充油電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)基(ji)本上(shang)沒有部分(fen)發電(dian)(dian)(dian)(dian)(dian)；油紙電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)即(ji)便有部分(fen)放(fang)電(dian)(dian)(dian)(dian)(dian)，一般也是(shi)很微(wei)弱的如(ru)幾個(ge)PC，因(yin)此這些電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)在(zai)出(chu)廠試驗中能夠(gou)不測部分(fen)放(fang)電(dian)(dian)(dian)(dian)(dian)。關于(yu)擠(ji)(ji)塑電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)，不但發生(sheng)(sheng)部分(fen)放(fang)電(dian)(dian)(dian)(dian)(dian)的可能性(xing)大，而且部分(fen)放(fang)電(dian)(dian)(dian)(dian)(dian)對塑料、橡(xiang)皮的損壞(huai)也比較嚴重，跟著電(dian)(dian)(dian)(dian)(dian)壓等級的進(jin)步，作(zuo)業場強的進(jin)步，這問題(ti)就顯得愈加(jia)嚴重，因(yin)此對高壓擠(ji)(ji)塑電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)，在(zai)出(chu)廠試驗中都(dou)要做(zuo)部分(fen)放(fang)電(dian)(dian)(dian)(dian)(dian)丈量。部分(fen)放(fang)電(dian)(dian)(dian)(dian)(dian)的丈量方(fang)法很多，能夠(gou)依(yi)據放(fang)電(dian)(dian)(dian)(dian)(dian)發生(sheng)(sheng)的瞬(shun)時電(dian)(dian)(dian)(dian)(dian)荷交流，丈量放(fang)電(dian)(dian)(dian)(dian)(dian)脈沖（電(dian)(dian)(dian)(dian)(dian)測法）；也可依(yi)據放(fang)電(dian)(dian)(dian)(dian)(dian)時發生(sheng)(sheng)的超聲波，丈量其電(dian)(dian)(dian)(dian)(dian)壓，還可依(yi)據放(fang)電(dian)(dian)(dian)(dian)(dian)發生(sheng)(sheng)的光，丈量光的強度。關于(yu)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)基(ji)本上(shang)都(dou)是(shi)采用電(dian)(dian)(dian)(dian)(dian)測法。

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