計(ji)算(suan)機(ji)(ji)(ji)電(dian)(dian)纜(lan)和(he)光(guang)纖(xian)首先(xian)是材(cai)質(zhi)上，兩者不(bu)(bu)同，計(ji)算(suan)機(ji)(ji)(ji)電(dian)(dian)纜(lan)的(de)(de)材(cai)質(zhi)主要為金(jin)屬(shu)材(cai)料，常用(yong)的(de)(de)金(jin)屬(shu)為銅金(jin)屬(shu)，而光(guang)纜(lan)是玻(bo)璃質(zhi)纖(xian)維，依靠光(guang)信號(hao)傳輸。絕(jue)緣(yuan)材(cai)料為氟塑料，采用(yong)鎳基合(he)金(jin)高(gao)溫擠出機(ji)(ji)(ji)高(gao)速生產，擠包在導(dao)體上的(de)(de)絕(jue)緣(yuan)性能符(fu)合(he)Q/的(de)(de)規定(ding)(ding)。絕(jue)緣(yuan)標(biao)稱厚度(du)符(fu)合(he)相關(guan)標(biao)準的(de)(de)規定(ding)(ding)，絕(jue)緣(yuan)厚度(du)平(ping)均值不(bu)(bu)小于(yu)規定(ding)(ding)的(de)(de)標(biao)稱值，絕(jue)緣(yuan)任一(yi)點(dian)***薄點(dian)的(de)(de)測量厚度(du)不(bu)(bu)小于(yu)標(biao)稱值的(de)(de)90%減(jian)去(qu)0.1mm。控制電(dian)(dian)纜(lan)機(ji)(ji)(ji)械強度(du)比(bi)計(ji)算(suan)機(ji)(ji)(ji)電(dian)(dian)纜(lan)高(gao)，抗拉力，特別是帶(dai)鋼鎧的(de)(de)。適(shi)合(he)于(yu)室外敷(fu)設甚至(zhi)埋地敷(fu)設。而計(ji)算(suan)機(ji)(ji)(ji)電(dian)(dian)纜(lan)機(ji)(ji)(ji)械強度(du)稍弱(ruo)，不(bu)(bu)抗拉，一(yi)般只(zhi)在變電(dian)(dian)所或(huo)機(ji)(ji)(ji)柜室內部敷(fu)設

計(ji)算(suan)(suan)機電(dian)(dian)(dian)(dian)纜(lan)屬于電(dian)(dian)(dian)(dian)氣(qi)裝(zhuang)備用(yong)(yong)電(dian)(dian)(dian)(dian)纜(lan)，本電(dian)(dian)(dian)(dian)纜(lan)適用(yong)(yong)于額定電(dian)(dian)(dian)(dian)壓(ya)500V及以下對于防干擾性(xing)要(yao)求(qiu)較(jiao)(jiao)高的電(dian)(dian)(dian)(dian)子計(ji)算(suan)(suan)機和(he)自動化儀器儀表。根(gen)據不同環境和(he)設備的使用(yong)(yong)要(yao)求(qiu)，電(dian)(dian)(dian)(dian)纜(lan)絕(jue)緣可采用(yong)(yong)聚乙(yi)烯、聚、交(jiao)(jiao)聯聚乙(yi)烯、氟塑料(liao)、硅橡(xiang)膠等材料(liao)。聚乙(yi)烯的絕(jue)緣電(dian)(dian)(dian)(dian)阻高。電(dian)(dian)(dian)(dian)纜(lan)導體長(chang)期工(gong)作溫(wen)度(du)有4種：聚有70℃、105℃兩種，聚乙(yi)烯絕(jue)緣為(wei)70℃，交(jiao)(jiao)聯聚絕(jue)緣為(wei)90℃；不同的環境和(he)場所使用(yong)(yong)的溫(wen)度(du)也不一樣(yang)。計(ji)算(suan)(suan)機電(dian)(dian)(dian)(dian)纜(lan)，低壓(ya)電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)，屬于電(dian)(dian)(dian)(dian)氣(qi)裝(zhuang)置用(yong)(yong)電(dian)(dian)(dian)(dian)纜(lan)，電(dian)(dian)(dian)(dian)纜(lan)本身結構上(shang)具(ju)有屏(ping)蔽層，同時可根(gen)據用(yong)(yong)戶要(yao)求(qiu)增加鎧裝(zhuang)結構，一般用(yong)(yong)于安全性(xing)能較(jiao)(jiao)高電(dian)(dian)(dian)(dian)子計(ji)算(suan)(suan)機和(he)自動化儀器儀表，具(ju)有良好(hao)的屏(ping)蔽性(xing)和(he)抗干擾性(xing)。

計(ji)(ji)(ji)算(suan)機(ji)電(dian)(dian)(dian)纜(lan)(lan)屬于(yu)電(dian)(dian)(dian)氣裝(zhuang)備(bei)(bei)用(yong)(yong)電(dian)(dian)(dian)纜(lan)(lan)，由好幾個絕緣導體或體絞(jiao)線(xian)的(de)(de)電(dian)(dian)(dian)纜(lan)(lan)芯和維護電(dian)(dian)(dian)纜(lan)(lan)芯免遭濕氣和設備(bei)(bei)破壞的(de)(de)外護線(xian)套構成。根(gen)據不同環境(jing)和設備(bei)(bei)的(de)(de)使用(yong)(yong)要求(qiu)，電(dian)(dian)(dian)纜(lan)(lan)絕緣可采用(yong)(yong)聚(ju)乙烯(xi)(xi)、聚(ju)、交聯聚(ju)乙烯(xi)(xi)、氟塑料、硅橡膠等材(cai)料。計(ji)(ji)(ji)算(suan)機(ji)電(dian)(dian)(dian)纜(lan)(lan)屬于(yu)電(dian)(dian)(dian)氣裝(zhuang)備(bei)(bei)用(yong)(yong)電(dian)(dian)(dian)纜(lan)(lan)，電(dian)(dian)(dian)氣裝(zhuang)備(bei)(bei)用(yong)(yong)電(dian)(dian)(dian)纜(lan)(lan)的(de)(de)結構和組成材(cai)料為復雜(za)，根(gen)據使用(yong)(yong)溫度(du)、工作環境(jing)的(de)(de)特殊(shu)要求(qiu)，計(ji)(ji)(ji)算(suan)機(ji)電(dian)(dian)(dian)纜(lan)(lan)各結構的(de)(de)組成材(cai)料種類繁多，計(ji)(ji)(ji)算(suan)機(ji)電(dian)(dian)(dian)纜(lan)(lan)DJYP2V 0.3/0.5kV，全稱：額定電(dian)(dian)(dian)壓0.3/0.5kV、銅導體、聚(ju)乙烯(xi)(xi)絕緣、銅帶分屏、聚(ju)護套計(ji)(ji)(ji)算(suan)機(ji)電(dian)(dian)(dian)纜(lan)(lan)。