先是要(yao)确(que)认要(yao)操(cao)控(kong)的(de)电(dian)(dian)(dian)(dian)器电(dian)(dian)(dian)(dian)压、功率、台数，再依(yi)据这些数据来确(que)认断(duan)(duan)路器的(de)大小、多少、运用(yong)什么型号的(de)导(dao)线(xian)，一(yi)般说来首(shou)要(yao)考虑避(bi)免(mian)线(xian)路、电(dian)(dian)(dian)(dian)器，发(fa)生短路电(dian)(dian)(dian)(dian)流(liu)和剩(sheng)下电(dian)(dian)(dian)(dian)流(liu)时能(neng)(neng)够及时的(de)断(duan)(duan)开电(dian)(dian)(dian)(dian)源(yuan)；并便利检修时，带点(dian)部分与检修部分有显着的(de)断(duan)(duan)开点(dian)。如(ru)果(guo)(guo)是家庭运用(yong)你能(neng)(neng)够在(zai)专业电(dian)(dian)(dian)(dian)工师傅(fu)的(de)指(zhi)导(dao)下进(jin)行(xing)装置(zhi)，如(ru)果(guo)(guo)是操(cao)控(kong)大容量的(de)线(xian)路和电(dian)(dian)(dian)(dian)器，建议你还(hai)是买制品操(cao)控(kong)箱装置(zhi)。