配電箱內電器選擇(ze)不(bu)(bu)當(dang)(dang)引起的(de)(de)(de)故障：由于在制造時對(dui)交(jiao)流接(jie)(jie)觸(chu)(chu)器容量選擇(ze)不(bu)(bu)很(hen)恰當(dang)(dang)，對(dui)不(bu)(bu)同(tong)出線(xian)回(hui)路安(an)裝(zhuang)(zhuang)同(tong)容量的(de)(de)(de)交(jiao)流接(jie)(jie)觸(chu)(chu)器，且未考慮到三(san)相(xiang)負荷的(de)(de)(de)不(bu)(bu)平(ping)衡情況，總配電箱電器額定值、動(dong)作整定值，應與分(fen)路開關電器的(de)(de)(de)額定值、動(dong)作整定值相(xiang)適應。并裝(zhuang)(zhuang)設總自動(dong)開關、漏電保(bao)護器和(he)分(fen)路自動(dong)開關。各級配電箱中(zhong)使用的(de)(de)(de)各種電氣元件和(he)漏電保(bao)護器應符合質量要(yao)求。連接(jie)(jie)線(xian)要(yao)使用絕緣(yuan)導線(xian)，不(bu)(bu)得有漏電部分(fen)。工(gong)作零(ling)(ling)(ling)線(xian)要(yao)通過接(jie)(jie)線(xian)端子板連接(jie)(jie)，與保(bao)護零(ling)(ling)(ling)線(xian)接(jie)(jie)線(xian)端子板分(fen)設；金屬箱體、電器安(an)裝(zhuang)(zhuang)板以及電器的(de)(de)(de)不(bu)(bu)應帶(dai)電金屬底座(zuo)，外殼必須有接(jie)(jie)零(ling)(ling)(ling)措施。

連(lian)接(jie)箱(xiang)盤(pan)面板上的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)器及控制(zhi)臺等(deng)(deng)可動部位的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)線(xian)(xian)應(ying)(ying)采用多股銅芯線(xian)(xian)并留有余(yu)量，線(xian)(xian)束(shu)外(wai)套塑料(liao)管加強(qiang)絕緣，成束(shu)綁扎，不(bu)同電(dian)(dian)(dian)(dian)壓等(deng)(deng)級，不(bu)同控制(zhi)回路應(ying)(ying)分別(bie)綁扎，標識明(ming)確，與(yu)電(dian)(dian)(dian)(dian)器連(lian)接(jie)時，端部鉸(jiao)接(jie)，配電(dian)(dian)(dian)(dian)箱(xiang)的(de)(de)(de)(de)整(zheng)體進行自(zi)查也(ye)是不(bu)能(neng)避免的(de)(de)(de)(de)，及時發現問題才能(neng)延長我們配電(dian)(dian)(dian)(dian)箱(xiang)以(yi)及配電(dian)(dian)(dian)(dian)箱(xiang)內部配件的(de)(de)(de)(de)使(shi)用壽命，同時這也(ye)是在(zai)節約我們公(gong)司(si)的(de)(de)(de)(de)成本，為公(gong)司(si)減少(shao)不(bu)必(bi)要的(de)(de)(de)(de)損(sun)失。配電(dian)(dian)(dian)(dian)箱(xiang)各電(dian)(dian)(dian)(dian)氣元(yuan)件、儀表、開關和線(xian)(xian)路應(ying)(ying)排(pai)列整(zheng)齊，安裝牢固，操(cao)作方便;柜(箱(xiang))應(ying)(ying)內無積(ji)塵、積(ji)水和雜物。柜(箱(xiang))以(yi)外(wai)不(bu)得有裸(luo)帶(dai)電(dian)(dian)(dian)(dian)體外(wai)露;必(bi)須(xu)裝設在(zai)柜(箱(xiang))外(wai)表面或(huo)配電(dian)(dian)(dian)(dian)板上的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)氣元(yuan)件，必(bi)須(xu)有可靠的(de)(de)(de)(de)屏護。

照明配電(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)采用(yong)(yong)不(bu)當，增加(jia)了照明配電(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)的(de)(de)(de)故障率，選(xuan)用(yong)(yong)低(di)阻產品(如低(di)阻熔斷器)，不(bu)僅能降(jiang)低(di)損耗，而且還能減少配電(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)內集(ji)(ji)聚的(de)(de)(de)熱(re)量，延長(chang)設備的(de)(de)(de)使用(yong)(yong)壽命(ming)。施工用(yong)(yong)配電(dian)(dian)(dian)(dian)(dian)系(xi)統各(ge)配電(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)、開關箱(xiang)(xiang)的(de)(de)(de)安(an)裝位(wei)置(zhi)要(yao)合理。總配電(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)要(yao)盡量靠近變壓器或(huo)外電(dian)(dian)(dian)(dian)(dian)源(yuan)處，以(yi)便電(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)(de)(de)引入(ru)。分(fen)配電(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)應盡量安(an)裝在(zai)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)設備或(huo)負荷相(xiang)對集(ji)(ji)中的(de)(de)(de)中心(xin)地帶，確保(bao)三(san)相(xiang)負荷保(bao)持平衡。配電(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)的(de)(de)(de)漏(lou)電(dian)(dian)(dian)(dian)(dian)保(bao)護措施，通常使用(yong)(yong)的(de)(de)(de)是(shi)(shi)漏(lou)電(dian)(dian)(dian)(dian)(dian)保(bao)護器，就是(shi)(shi)俗稱漏(lou)電(dian)(dian)(dian)(dian)(dian)開關，它是(shi)(shi)一(yi)種接地保(bao)護裝置(zhi)，當電(dian)(dian)(dian)(dian)(dian)路或(huo)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)設備漏(lou)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流大于裝置(zhi)的(de)(de)(de)整定值，或(huo)人、動物發(fa)生(sheng)觸電(dian)(dian)(dian)(dian)(dian)危險(xian)時，配電(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)家用(yong)(yong)，它能迅(xun)速動作，切斷事故電(dian)(dian)(dian)(dian)(dian)源(yuan)，。