新增(zeng)負載時(shi)，需考慮新增(zeng)電(dian)(dian)(dian)流是否(fou)超出控制該回路(lu)(lu)(lu)空氣斷(duan)路(lu)(lu)(lu)器(qi)的(de)額定(ding)電(dian)(dian)(dian)流。超出時(shi)需更換(huan)成相應(ying)容(rong)量的(de)空氣斷(duan)路(lu)(lu)(lu)器(qi)。更換(huan)空氣斷(duan)路(lu)(lu)(lu)器(qi)前要斷(duan)電(dian)(dian)(dian)，更換(huan)后要固定(ding)牢(lao)固。配(pei)電(dian)(dian)(dian)箱、開關(guan)箱內的(de)電(dian)(dian)(dian)器(qi)（含插座）應(ying)先安(an)裝(zhuang)(zhuang)(zhuang)在金(jin)屬(shu)(shu)或(huo)非(fei)木質阻(zu)燃絕緣電(dian)(dian)(dian)器(qi)安(an)裝(zhuang)(zhuang)(zhuang)板上(shang)，然后方(fang)可整體(ti)緊固在配(pei)電(dian)(dian)(dian)箱、開關(guan)箱箱體(ti)內。金(jin)屬(shu)(shu)電(dian)(dian)(dian)器(qi)安(an)裝(zhuang)(zhuang)(zhuang)板與(yu)金(jin)屬(shu)(shu)箱體(ti)應(ying)做(zuo)電(dian)(dian)(dian)氣連(lian)接。高(gao)壓(ya)配(pei)電(dian)(dian)(dian)室應(ying)為一、二級耐(nai)(nai)火等級建筑。低壓(ya)配(pei)電(dian)(dian)(dian)室的(de)耐(nai)(nai)火等級不應(ying)低于三級。配(pei)電(dian)(dian)(dian)室的(de)窗應(ying)有防水、防雨雪(xue)、防小動物進(jin)入的(de)措施(shi)。高(gao)、低壓(ya)配(pei)電(dian)(dian)(dian)裝(zhuang)(zhuang)(zhuang)置同在一室時(shi)，它(ta)們之間(jian)的(de)距離(li)應(ying)不小于1米。

各級配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)的(de)(de)(de)(de)箱(xiang)體和內部設(she)(she)置(zhi)必須符(fu)合(he)安(an)全規定(ding)，開關電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器應(ying)(ying)標明用(yong)途，箱(xiang)體應(ying)(ying)統(tong)一(yi)編號。停止(zhi)使用(yong)的(de)(de)(de)(de)配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)應(ying)(ying)切斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源，箱(xiang)門上鎖。固定(ding)式配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)應(ying)(ying)設(she)(she)置(zhi)圍(wei)欄，并有防(fang)雨防(fang)砸措施。施工用(yong)配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系統(tong)各配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)、開關箱(xiang)的(de)(de)(de)(de)安(an)裝位置(zhi)要合(he)理。總配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)要盡量靠近變(bian)壓(ya)器或外電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源處，以便電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源的(de)(de)(de)(de)引入。分配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)應(ying)(ying)盡量安(an)裝在用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)(she)備(bei)或負荷(he)相(xiang)對集中的(de)(de)(de)(de)中心(xin)地帶，確保三相(xiang)負荷(he)保持(chi)平衡。高壓(ya)配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)室(shi)(shi)應(ying)(ying)為(wei)一(yi)、二級耐火等(deng)級建筑。低壓(ya)配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)室(shi)(shi)的(de)(de)(de)(de)耐火等(deng)級不應(ying)(ying)低于三級。配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)室(shi)(shi)的(de)(de)(de)(de)窗應(ying)(ying)有防(fang)水、防(fang)雨雪(xue)、防(fang)小(xiao)動物進(jin)入的(de)(de)(de)(de)措施。高、低壓(ya)配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)裝置(zhi)同在一(yi)室(shi)(shi)時(shi)，它們之間的(de)(de)(de)(de)距離應(ying)(ying)不小(xiao)于1米。

施工(gong)用(yong)配(pei)電(dian)(dian)系統各配(pei)電(dian)(dian)箱(xiang)(xiang)、開關箱(xiang)(xiang)的(de)安裝(zhuang)(zhuang)位置要(yao)合理(li)。總配(pei)電(dian)(dian)箱(xiang)(xiang)要(yao)盡(jin)量靠近(jin)變(bian)壓(ya)器或外電(dian)(dian)源處，以便電(dian)(dian)源的(de)引入。分(fen)配(pei)電(dian)(dian)箱(xiang)(xiang)應(ying)(ying)盡(jin)量安裝(zhuang)(zhuang)在(zai)用(yong)電(dian)(dian)設備或負(fu)荷(he)相對集(ji)中的(de)中心地(di)帶，確保三相負(fu)荷(he)保持平衡。新增負(fu)載時，需考慮新增電(dian)(dian)流是否超出(chu)控(kong)制該回路(lu)空(kong)氣(qi)斷(duan)(duan)(duan)路(lu)器的(de)額定電(dian)(dian)流。超出(chu)時需更(geng)換成(cheng)相應(ying)(ying)容(rong)量的(de)空(kong)氣(qi)斷(duan)(duan)(duan)路(lu)器。更(geng)換空(kong)氣(qi)斷(duan)(duan)(duan)路(lu)器前要(yao)斷(duan)(duan)(duan)電(dian)(dian)，更(geng)換后(hou)要(yao)固定牢(lao)固。每臺(tai)充油(you)電(dian)(dian)氣(qi)設備，如斷(duan)(duan)(duan)路(lu)器、電(dian)(dian)壓(ya)互感器等，配(pei)電(dian)(dian)箱(xiang)(xiang)廠，應(ying)(ying)裝(zhuang)(zhuang)在(zai)兩(liang)側有隔(ge)板的(de)間隔(ge)之內，總油(you)量超過600公(gong)斤(jin)(jin)時，應(ying)(ying)安裝(zhuang)(zhuang)在(zai)單獨的(de)防爆(bao)間內；總油(you)量在(zai)60公(gong)斤(jin)(jin)以上，如油(you)浸電(dian)(dian)壓(ya)互感器，應(ying)(ying)有貯油(you)設施或擋油(you)設施。