電(dian)器(qi)(electrical appliance)泛指所有用電(dian)的器(qi)具，從(cong)專業(ye)角度上來講(jiang)，主要指用于對(dui)電(dian)路(lu)進行接通、分斷，對(dui)電(dian)路(lu)參數進行變換(huan)，以實現對(dui)電(dian)路(lu)或(huo)用電(dian)設備(bei)的控制、調節、切換(huan)、檢測(ce)和保護等作用的電(dian)工裝置、設備(bei)和元件;從(cong)普通民眾的角度來講(jiang)，主要是指家庭常用的一些為生活提供便利(li)的用電(dian)設備(bei)，如電(dian)視(shi)機、空調、冰箱、洗衣機、各種(zhong)小(xiao)家電(dian)等等。

泛(fan)指(zhi)所有用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)的器具，從(cong)專業角(jiao)度上來(lai)講(jiang)，主要指(zhi)用(yong)(yong)于(yu)對電(dian)(dian)(dian)(dian)(dian)路進(jin)行接通、分斷，對電(dian)(dian)(dian)(dian)(dian)路參(can)數進(jin)行變換，以實現(xian)對電(dian)(dian)(dian)(dian)(dian)路或(huo)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)設備的控制、調節、切換、檢測和(he)保護等(deng)作用(yong)(yong)的電(dian)(dian)(dian)(dian)(dian)工(gong)裝(zhuang)置(zhi)、設備和(he)元件。但現(xian)在這(zhe)一(yi)名(ming)詞已經廣泛(fan)的擴展(zhan)到民(min)用(yong)(yong)角(jiao)度，從(cong)普(pu)通民(min)眾的角(jiao)度來(lai)講(jiang)，主要是(shi)指(zhi)家庭常用(yong)(yong)的一(yi)些為生(sheng)活提供便利的用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)設備，如電(dian)(dian)(dian)(dian)(dian)視機，空(kong)調，冰箱，洗衣機，各種小(xiao)家電(dian)(dian)(dian)(dian)(dian)等(deng)等(deng)。電(dian)(dian)(dian)(dian)(dian)器是(shi)總稱(cheng)，電(dian)(dian)(dian)(dian)(dian)是(shi)指(zhi)：交流電(dian)(dian)(dian)(dian)(dian)、直流電(dian)(dian)(dian)(dian)(dian)、高壓電(dian)(dian)(dian)(dian)(dian)、低壓電(dian)(dian)(dian)(dian)(dian)。