一、接線盒的材質有哪些

在家居裝修中，接線盒是電工輔料之一，因為裝修用的電線是穿過電線管的，而在電線的接頭部位（比如線路比較長，或者電線管要轉角）就采用接線盒做為過渡用，電線管與接線盒連接，線管里面的電線在接線盒中連起來，起到保護電線和連接電線的作用，這個就是接線盒。那么你知道接線盒的材質有哪些嗎？

接線盒按材質(zhi)分有金屬、PVC，兩者(zhe)各有各的優勢，在不(bu)同的領域(yu)發揮著自己的作用。

二、紅色接線盒什么意思

紅色接線盒是強電(dian)的開(kai)關，插(cha)座以及分線，接線所用。

強電(dian)(dian)(dian)與(yu)弱電(dian)(dian)(dian)是(shi)(shi)(shi)(shi)相(xiang)對(dui)的(de)(de)概(gai)念(nian)，從概(gai)念(nian)上講，主(zhu)要(yao)區(qu)別(bie)是(shi)(shi)(shi)(shi)用(yong)途的(de)(de)不同，而不能(neng)單純的(de)(de)以(yi)電(dian)(dian)(dian)壓(ya)(ya)大小來界(jie)定(ding)(ding)兩者關系(xi)（如果(guo)非要(yao)指定(ding)(ding)用(yong)電(dian)(dian)(dian)壓(ya)(ya)區(qu)分的(de)(de)話，那(nei)就把(ba)36V（人體(ti)(ti)安(an)全電(dian)(dian)(dian)壓(ya)(ya)）以(yi)上劃(hua)定(ding)(ding)為(wei)強電(dian)(dian)(dian)，36V（人體(ti)(ti)安(an)全電(dian)(dian)(dian)壓(ya)(ya)）以(yi)下(xia)為(wei)劃(hua)定(ding)(ding)為(wei)弱電(dian)(dian)(dian)，兩者既有(you)聯系(xi)又(you)有(you)區(qu)別(bie)，一般(ban)區(qu)分原(yuan)則是(shi)(shi)(shi)(shi)：強電(dian)(dian)(dian)的(de)(de)處(chu)理(li)對(dui)象是(shi)(shi)(shi)(shi)能(neng)源（電(dian)(dian)(dian)力），其(qi)特點是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)壓(ya)(ya)高(gao)、電(dian)(dian)(dian)流(liu)大、功率大、頻率低，主(zhu)要(yao)考慮(lv)(lv)的(de)(de)問題是(shi)(shi)(shi)(shi)減少損耗、提高(gao)效率，弱電(dian)(dian)(dian)的(de)(de)處(chu)理(li)對(dui)象主(zhu)要(yao)是(shi)(shi)(shi)(shi)信息，即信息的(de)(de)傳送和控(kong)制，其(qi)特點是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)壓(ya)(ya)低、電(dian)(dian)(dian)流(liu)小、功率小、頻率高(gao)，主(zhu)要(yao)考慮(lv)(lv)的(de)(de)是(shi)(shi)(shi)(shi)信息傳送的(de)(de)效果(guo)問題，如信息傳送的(de)(de)保真度、速度、廣度、可靠性。