假(jia)冒劣質電(dian)(dian)線(xian)電(dian)(dian)纜生產(chan)(chan)者(zhe)(zhe)為(wei)了獲(huo)取暴(bao)利,不顧廣(guang)大消費者(zhe)(zhe)的利益,大量生產(chan)(chan)劣質電(dian)(dian)線(xian)電(dian)(dian)纜產(chan)(chan)品,擾亂電(dian)(dian)線(xian)電(dian)(dian)纜市場(chang),損害廣(guang)大用戶的利益。所(suo)以,正確(que)選擇(ze)電(dian)(dian)線(xian)電(dian)(dian)纜顯得非常重要,什么樣的產(chan)(chan)品才(cai)合格呢?
電(dian)(dian)線(xian)電(dian)(dian)纜作為電(dian)(dian)力傳輸的主要載(zai)體,廣泛應用于電(dian)(dian)器裝備、照明線(xian)路、家用電(dian)(dian)器等方(fang)面(mian)大元(yuan)電(dian)(dian)纜小編掃盲班給大家普及(ji)下(xia)小知識:選(xuan)購電(dian)(dian)線(xian)電(dian)(dian)纜時注意以下(xia)幾(ji)點:
1.長度(du)(du)和截面。合格證(zheng)上都有長度(du)(du)標識,可先估(gu)算一下(xia)成品包裝的(de)(de)(de)一圈(quan)線的(de)(de)(de)長度(du)(du),再(zai)數一下(xia)線盤的(de)(de)(de)圈(quan)數,估(gu)出(chu)整(zheng)卷(juan)線的(de)(de)(de)大(da)概長度(du)(du),此外還要注意導體的(de)(de)(de)直(zhi)徑,看(kan)電纜的(de)(de)(de)長度(du)(du)和截面。
2.選(xuan)用電(dian)(dian)線電(dian)(dian)纜產品時,最好請教有經驗(yan)的(de)專業電(dian)(dian)工,根據自己的(de)用電(dian)(dian)負荷來(lai)采用合(he)適截面大小和電(dian)(dian)壓(ya)等級(ji)的(de)電(dian)(dian)纜。
3.產(chan)品(pin)(pin)的標(biao)識。選購電(dian)線電(dian)纜產(chan)品(pin)(pin)時應觀察產(chan)品(pin)(pin)的合格(ge)證對于(yu)產(chan)品(pin)(pin)型號、規格(ge)、額定電(dian)壓、芯數、生產(chan)日(ri)期、執行標(biao)準、許可證編號等相關信息是否(fou)標(biao)注齊全,產(chan)品(pin)(pin)實(shi)物表面應印有廠名、產(chan)品(pin)(pin)型號和額定電(dian)壓的連續性(xing)標(biao)志,核實(shi)兩者(zhe)相關的信息是否(fou)一致。
4.外觀和材質(zhi)。電(dian)線外層(ceng)塑料(liao)皮(pi)色(se)澤鮮亮、質(zhi)地(di)細(xi)密,表面是(shi)否有毛刺(ci)或突起,外觀是(shi)否光(guang)滑、圓整、色(se)澤均勻(yun)(yun),導體使用電(dian)解銅,外層(ceng)光(guang)亮而稍軟。再(zai)看(kan)一下電(dian)纜的(de)截面,銅(鋁(lv))芯(xin)應(ying)處于中(zhong)間,塑料(liao)層(ceng)厚薄應(ying)均勻(yun)(yun)。