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　　眾所周知，工(gong)廠(chang)和(he)企業(ye)(ye)用(yong)電(dian)(dian)(dian)(dian)屬于工(gong)業(ye)(ye)用(yong)電(dian)(dian)(dian)(dian)，必須按照規定采用(yong)專(zhuan)用(yong)變電(dian)(dian)(dian)(dian)站(zhan)。也就是說，企業(ye)(ye)不能像居(ju)民一(yi)樣(yang)直接(jie)拉220v的(de)(de)進線電(dian)(dian)(dian)(dian)源，而且工(gong)業(ye)(ye)用(yong)電(dian)(dian)(dian)(dian)和(he)居(ju)民用(yong)電(dian)(dian)(dian)(dian)的(de)(de)收(shou)費標準也不一(yi)樣(yang)。專(zhuan)用(yong)變電(dian)(dian)(dian)(dian)站(zhan)要(yao)求用(yong)戶自己出資并購買相(xiang)應的(de)(de)配電(dian)(dian)(dian)(dian)設備并安裝。供電(dian)(dian)(dian)(dian)部門對整個電(dian)(dian)(dian)(dian)力(li)工(gong)程(cheng)(cheng)安裝過程(cheng)(cheng)進行監督和(he)審查。因(yin)此，寧(ning)夏電(dian)(dian)(dian)(dian)力(li)工(gong)程(cheng)(cheng)安裝需要(yao)找電(dian)(dian)(dian)(dian)力(li)工(gong)程(cheng)(cheng)公(gong)司。

　　電力(li)(li)安裝的(de)(de)時候，用戶需要(yao)(yao)找長期以(yi)(yi)來一(yi)直(zhi)(zhi)是從事(shi)電力(li)(li)工(gong)(gong)程安裝的(de)(de)企業(ye)，并(bing)擁(yong)有豐富(fu)(fu)的(de)(de)施工(gong)(gong)經(jing)驗(yan)和(he)可靠的(de)(de)施工(gong)(gong)隊伍。而(er)且需要(yao)(yao)熟(shu)悉(xi)電纜安裝過程，知(zhi)道需要(yao)(yao)什么材料和(he)明確的(de)(de)驗(yan)收(shou)規范(fan)，這樣(yang)才(cai)可以(yi)(yi)保(bao)證(zheng)在規定時間內完成電力(li)(li)安裝施工(gong)(gong)。如果您(nin)不(bu)熟(shu)悉(xi)驗(yan)收(shou)標準，那么就容(rong)易在驗(yan)收(shou)過程中出現錯誤，那供電部門將會要(yao)(yao)求您(nin)按照標準進(jin)行整改，直(zhi)(zhi)到驗(yan)收(shou)通過為止。同時，電力(li)(li)工(gong)(gong)程公(gong)司需擁(yong)有一(yi)批具有豐富(fu)(fu)施工(gong)(gong)經(jing)驗(yan)的(de)(de)專業(ye)電力(li)(li)安裝施工(gong)(gong)人員，才(cai)能夠保(bao)證(zheng)安裝質量，提高驗(yan)收(shou)率。

　　承裝(zhuang)(zhuang)寧(ning)夏電力(li)工(gong)(gong)(gong)程安(an)(an)裝(zhuang)(zhuang)的(de)公司比距相應的(de)資(zi)質(zhi)證(zheng)書，比如五(wu)級(ji)及以(yi)上《承裝(zhuang)(zhuang)(修、試)電力(li)設(she)施(shi)許(xu)可(ke)(ke)證(zheng)》、《安(an)(an)全生產許(xu)可(ke)(ke)證(zheng)》、《工(gong)(gong)(gong)程設(she)計與施(shi)工(gong)(gong)(gong)資(zi)質(zhi)證(zheng)書》，且證(zheng)書在(zai)有效期內。不(bu)具備相應資(zi)格(ge)的(de)單位或機構無權進(jin)行電力(li)工(gong)(gong)(gong)程的(de)安(an)(an)裝(zhuang)(zhuang)。