電(dian)(dian)線(xian)(xian)(xian)的(de)選(xuan)(xuan)用(yong)(yong)：為(wei)了防火、維(wei)修及(ji)安全，*好選(xuan)(xuan)用(yong)(yong)長(chang)城(cheng)標志的(de)“國(guo)標”銅芯電(dian)(dian)線(xian)(xian)(xian)。線(xian)(xian)(xian)材(cai)橫截(jie)面(mian)積一(yi)般(ban)(ban)是：照(zhao)明用(yong)(yong)線(xian)(xian)(xian)及(ji)插(cha)座用(yong)(yong)線(xian)(xian)(xian)應選(xuan)(xuan)用(yong)(yong)2.5平方(fang)毫(hao)米，空調(diao)線(xian)(xian)(xian)不得小于4平方(fang)毫(hao)米，接(jie)地線(xian)(xian)(xian)選(xuan)(xuan)用(yong)(yong)綠(lv)黃(huang)雙色線(xian)(xian)(xian)，接(jie)開(kai)關線(xian)(xian)(xian)（火線(xian)(xian)(xian)）用(yong)(yong)紅、白、黑、紫等任一(yi)種。 穿線(xian)(xian)(xian)管的(de)選(xuan)(xuan)用(yong)(yong)：穿線(xian)(xian)(xian)管應用(yong)(yong)阻(zu)燃PVC線(xian)(xian)(xian)管，其(qi)管壁(bi)表面(mian)應光(guang)滑，壁(bi)厚要求達到手指用(yong)(yong)勁捏不破的(de)強度，而且應有合格證書。也可以用(yong)(yong)國(guo)標的(de)專(zhuan)用(yong)(yong)鍍鋅(xin)管做穿線(xian)(xian)(xian)管。 開(kai)關面(mian)板、插(cha)座的(de)選(xuan)(xuan)材(cai)及(ji)安裝要求：面(mian)板的(de)尺寸與預埋(mai)的(de)接(jie)線(xian)(xian)(xian)盒的(de)尺寸一(yi)致；表面(mian)光(guang)潔、品牌標志明顯(xian)，有防偽標志和(he)電(dian)(dian)工安全認證的(de)長(chang)城(cheng)標志；開(kai)關開(kai)啟(qi)時手感(gan)靈活(huo)，插(cha)座穩固，銅片(pian)要有一(yi)定的(de)厚度；面(mian)板的(de)材(cai)料應有阻(zu)燃性和(he)堅固性；開(kai)關高(gao)度一(yi)般(ban)(ban)距(ju)離(li)(li)(li)地面(mian)為(wei)1.2至(zhi)1.35米，距(ju)離(li)(li)(li)門(men)(men)框門(men)(men)沿(yan)為(wei)15至(zhi)20厘米，插(cha)座高(gao)度一(yi)般(ban)(ban)距(ju)離(li)(li)(li)地面(mian)為(wei)20至(zhi)30厘米。