電力電纜 nh-yjv-5*4該產品采用交聯聚(ju)乙(yi)烯(xi)絕緣，與聚(ju)氯乙(yi)烯(xi)絕緣電(dian)纜相比，絕緣性能好，導(dao)體工作(zuo)溫度較高，可達90度。在火災(zai)中能保持一定時間繼續(xu)運行。GB/T 19666-2005 阻(zu)燃與耐火電(dian)線(xian)電(dian)纜通則。

nh-yjv-5*4電力電纜使用(yong)特性工(gong)頻(pin)交流額定(ding)電壓(ya)為0.6/1kV，使用(yong)交流系統zui高電壓(ya)應不(bu)超(chao)過1.2kV。電纜導體允許(xu)zui高工(gong)作溫度(du)為90℃；短路時，電纜導體的zui高溫度(du)不(bu)超(chao)過250℃，持續時間不(bu)超(chao)過5S。

環境(jing)溫度(du)電纜運行zui低(di)環境(jing)溫度(du)-10℃。

敷(fu)設溫度安裝敷(fu)設時，溫度應不低于0℃。

電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan) nh-yjv-5*4彎(wan)曲(qu)(qu)半徑(jing)(jing)zui小彎(wan)曲(qu)(qu):單芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)彎(wan)曲(qu)(qu)半徑(jing)(jing)不超過(guo)20D，多(duo)芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)彎(wan)曲(qu)(qu)半徑(jing)(jing)不超過(guo)15D產品標(biao)識1.顏(yan)(yan)色標(biao)示多(duo)芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)采用(yong)不同顏(yan)(yan)色標(biao)識時，符合下述(shu)規定(ding)：2芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：紅、藍；3芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：黃、綠、紅；4芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：黃、綠、紅、藍；5芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：黃、綠、紅、藍、黑(hei)（或由供需雙方協商(shang)確定(ding)）；2.數(shu)(shu)(shu)字(zi)(zi)標(biao)識多(duo)芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)采用(yong)數(shu)(shu)(shu)字(zi)(zi)標(biao)識時，符合下述(shu)規定(ding)：2芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：0、1；3芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：1、2、3；4芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：0、1、2、3；5芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)：0、1、2、3、4；其(qi)中(zhong)數(shu)(shu)(shu)字(zi)(zi)1、2、3用(yong)于(yu)主線芯(xin)(xin)(xin)，0用(yong)于(yu)中(zhong)性線芯(xin)(xin)(xin)。在5芯(xin)(xin)(xin)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)，數(shu)(shu)(shu)字(zi)(zi)“4”指特定(ding)目的導體（包(bao)括接地導體），絕(jue)(jue)緣線芯(xin)(xin)(xin)采用(yong)數(shu)(shu)(shu)字(zi)(zi)標(biao)識時，絕(jue)(jue)緣應(ying)為同一種顏(yan)(yan)色并按(an)照數(shu)(shu)(shu)字(zi)(zi)排(pai)列。

數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)應(ying)用阿拉伯(bo)數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)印在(zai)絕緣線芯的表面(mian)(mian)上，數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)顏色應(ying)相同并(bing)與絕緣顏色有明顯反差且字(zi)(zi)(zi)(zi)跡清楚；數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)標(biao)(biao)志(zhi)應(ying)沿著絕緣線芯以相等的間(jian)(jian)隔(ge)重復出現，相鄰兩組數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)標(biao)(biao)志(zhi)應(ying)彼(bi)此顛倒。當標(biao)(biao)識由單個數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)組成時，則(ze)應(ying)在(zai)數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)的下面(mian)(mian)放一個破折號(hao)，如(ru)果標(biao)(biao)識是由兩個數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)組成時，則(ze)應(ying)上下排列并(bing)在(zai)后面(mian)(mian)數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)的下方放置破折號(hao)，相鄰兩組數(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi)(zi)標(biao)(biao)識的間(jian)(jian)距d應(ying)不大于50mm。

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