根據安(an)(an)裝(zhuang)方式的(de)(de)不同，還應(ying)(ying)注(zhu)意(yi)母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽的(de)(de)選(xuan)擇(ze)：母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽水平安(an)(an)裝(zhuang)時(shi)(shi)(shi)，可(ke)根據需要設置支(zhi)架(jia)(jia)，母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽密集型(xing)生產廠(chang)家(jia)，應(ying)(ying)使用(yong)長度約3M的(de)(de)母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽。當支(zhi)架(jia)(jia)之間(jian)的(de)(de)距(ju)離大(da)于(yu)或等于(yu)6m時(shi)(shi)(shi)，應(ying)(ying)選(xuan)擇(ze)超長的(de)(de)母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽。在不同形狀的(de)(de)建筑物中沿平面安(an)(an)裝(zhuang)母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽時(shi)(shi)(shi)，應(ying)(ying)選(xuan)擇(ze)矩形的(de)(de)母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽。沿弧形安(an)(an)裝(zhuang)時(shi)(shi)(shi)，應(ying)(ying)使用(yong)樹(shu)(shu)脂(zhi)澆鑄(zhu)母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽或圓柱(zhu)形母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽。當母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽垂(chui)直(zhi)安(an)(an)裝(zhuang)時(shi)(shi)(shi)，應(ying)(ying)使用(yong)致密絕(jue)緣(yuan)或樹(shu)(shu)脂(zhi)澆鑄(zhu)母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽，并(bing)且(qie)絕(jue)緣(yuan)材料應(ying)(ying)適(shi)合長期工作(zuo)溫度不低(di)于(yu)130℃。為了避免煙囪效應(ying)(ying)，玉溪母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽密集型(xing)，在選(xuan)擇(ze)空氣絕(jue)緣(yuan)的(de)(de)母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽時(shi)(shi)(shi)，母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽密集型(xing)廠(chang)家(jia)定制，應(ying)(ying)在母(mu)線(xian)(xian)(xian)(xian)(xian)(xian)槽外殼(ke)中的(de)(de)各個(ge)單元(yuan)之間(jian)安(an)(an)裝(zhuang)防火柵欄(lan)。

由于連續加熱的(de)(de)(de)允(yun)許(xu)溫度(du)的(de)(de)(de)限制，針(zhen)對不(bu)同材料和(he)不(bu)同橫(heng)(heng)(heng)截面(mian)的(de)(de)(de)母(mu)線(xian)槽(cao)(cao)給出了相應(ying)(ying)的(de)(de)(de)長(chang)(chang)期(qi)允(yun)許(xu)電流值(zhi)(zhi)。選(xuan)(xuan)擇(ze)母(mu)線(xian)槽(cao)(cao)的(de)(de)(de)橫(heng)(heng)(heng)截面(mian)時，應(ying)(ying)確(que)保母(mu)線(xian)槽(cao)(cao)的(de)(de)(de)實際值(zhi)(zhi)。大的(de)(de)(de)長(chang)(chang)期(qi)工(gong)作電流小于所選(xuan)(xuan)橫(heng)(heng)(heng)截面(mian)母(mu)線(xian)槽(cao)(cao)的(de)(de)(de)長(chang)(chang)期(qi)允(yun)許(xu)電流值(zhi)(zhi)。當(dang)一年的(de)(de)(de)平均負荷較大且母(mu)線(xian)通(tong)(tong)道(dao)較長(chang)(chang)時（例如(ru)室外(wai)配電設備的(de)(de)(de)母(mu)線(xian)通(tong)(tong)道(dao)），通(tong)(tong)常(chang)使用經(jing)濟(ji)(ji)電流密(mi)度(du)法來選(xuan)(xuan)擇(ze)母(mu)線(xian)通(tong)(tong)道(dao)。此時，母(mu)線(xian)管(guan)的(de)(de)(de)單位電流和(he)維護(hu)成本(ben)(ben)被認為(wei)是(shi)母(mu)線(xian)管(guan)的(de)(de)(de)面(mian)積和(he)維護(hu)成本(ben)(ben)的(de)(de)(de)單位。在不(bu)考(kao)慮過載的(de)(de)(de)情(qing)況下(xia)，將經(jing)濟(ji)(ji)電流密(mi)度(du)除(chu)以(yi)長(chang)(chang)期(qi)工(gong)作電流即可(ke)得出母(mu)線(xian)截面(mian)。通(tong)(tong)過經(jing)濟(ji)(ji)電流密(mi)度(du)方法選(xuan)(xuan)擇(ze)的(de)(de)(de)母(mu)線(xian)管(guan)橫(heng)(heng)(heng)截面(mian)通(tong)(tong)常(chang)大于根(gen)據長(chang)(chang)期(qi)工(gong)作電流選(xuan)(xuan)擇(ze)的(de)(de)(de)橫(heng)(heng)(heng)截面(mian)。

耐火型母(mu)線槽(cao)這種名(ming)稱是以它的用途來命名(ming)的，顧名(ming)思義就是用于較高的消防(fang)要求，需要耐火等(deng)級高的母(mu)線槽(cao)。

耐火型母線(xian)槽結構形式(shi)可以是(shi)密集型的(de)(de)，也(ye)可以是(shi)空(kong)氣型的(de)(de)，取決于它是(shi)利用什么材料耐火的(de)(de)，所以兩者(zhe)之間沒什么直接聯系，但會存(cun)在可包含的(de)(de)關(guan)系。

選擇符合設(she)計規范的密集型母(mu)線槽、安裝(zhuang)選擇安裝(zhuang)隊伍、定期檢查維護，一般壽命都很長(chang)的。