在安裝大連高低壓開關柜前(qian)(qian)，應(ying)(ying)檢查進場(chang)道(dao)路(lu)是(shi)否(fou)暢(chang)通，必要時應(ying)(ying)修(xiu)建簡易運輸通道(dao)與(yu)各安(an)(an)裝點(dian)連接，施(shi)工(gong)場(chang)地布置(zhi)應(ying)(ying)滿足安(an)(an)全(quan)文(wen)明施(shi)工(gong)的要求。同時還(huan)應(ying)(ying)檢查施(shi)工(gong)機具狀況，確保機具狀態良(liang)好。高壓設備到(dao)達(da)現場(chang)前(qian)(qian)，配電(dian)室、電(dian)纜(lan)溝、基(ji)礎槽鋼應(ying)(ying)已完全(quan)竣(jun)工(gong)。

 固定(ding)面(mian)(mian)板(ban)式(shi)大連(lian)高低(di)壓開(kai)關柜(ju)(ju)，常(chang)(chang)稱開(kai)關板(ban)或(huo)配(pei)(pei)電(dian)屏。它(ta)是一(yi)種(zhong)(zhong)有(you)面(mian)(mian)板(ban)遮攔的(de)開(kai)啟式(shi)開(kai)關柜(ju)(ju)，正面(mian)(mian)有(you)防(fang)護(hu)(hu)(hu)作(zuo)用(yong)(yong)，背(bei)面(mian)(mian)和側面(mian)(mian)仍(reng)能(neng)觸及帶電(dian)部分(fen)，防(fang)護(hu)(hu)(hu)等(deng)級(ji)低(di)，只(zhi)能(neng)用(yong)(yong)于對供電(dian)連(lian)續(xu)性和可靠性要求較低(di)的(de)工(gong)礦企(qi)業(ye)，作(zuo)變電(dian)室(shi)集中(zhong)供電(dian)用(yong)(yong)。防(fang)護(hu)(hu)(hu)式(shi)（即(ji)封閉(bi)式(shi)）開(kai)關柜(ju)(ju)，指除(chu)安(an)裝(zhuang)面(mian)(mian)外(wai)，其它(ta)所有(you)側面(mian)(mian)都被(bei)封閉(bi)起來的(de)一(yi)種(zhong)(zhong)低(di)壓開(kai)關柜(ju)(ju)。這種(zhong)(zhong)柜(ju)(ju)子的(de)開(kai)關、保護(hu)(hu)(hu)和監測控制等(deng)電(dian)氣元件，均(jun)安(an)裝(zhuang)在一(yi)個用(yong)(yong)鋼或(huo)絕(jue)緣材(cai)料制成的(de)封閉(bi)外(wai)殼內，可靠墻(qiang)或(huo)離墻(qiang)安(an)裝(zhuang)。柜(ju)(ju)內每條回(hui)路(lu)之間可以不加(jia)隔(ge)離措施，也(ye)可以采(cai)用(yong)(yong)接地(di)的(de)金屬板(ban)或(huo)絕(jue)緣板(ban)進(jin)行隔(ge)離。通常(chang)(chang)門與主開(kai)關操作(zuo)有(you)機械聯(lian)鎖。另外(wai)還有(you)防(fang)護(hu)(hu)(hu)式(shi)臺型開(kai)關柜(ju)(ju)（即(ji)控制臺），面(mian)(mian)板(ban)上裝(zhuang)有(you)控制、測量、信號等(deng)電(dian)器。防(fang)護(hu)(hu)(hu)式(shi)開(kai)關柜(ju)(ju)主要用(yong)(yong)作(zuo)工(gong)藝現場(chang)的(de)配(pei)(pei)電(dian)裝(zhuang)置。