<span id="dhr9h"><noframes id="dhr9h">
<span id="dhr9h"><video id="dhr9h"><span id="dhr9h"></span></video></span>
<th id="dhr9h"><noframes id="dhr9h"><span id="dhr9h"></span>
<progress id="dhr9h"><noframes id="dhr9h">
<th id="dhr9h"><noframes id="dhr9h"><th id="dhr9h"></th>
<span id="dhr9h"><video id="dhr9h"></video></span>
<th id="dhr9h"></th>
<span id="dhr9h"></span>
<th id="dhr9h"><noframes id="dhr9h">
<span id="dhr9h"></span>
<th id="dhr9h"><noframes id="dhr9h"><span id="dhr9h"></span><th id="dhr9h"></th><span id="dhr9h"></span>
<th id="dhr9h"><noframes id="dhr9h">
<span id="dhr9h"><video id="dhr9h"><strike id="dhr9h"></strike></video></span>
儀表電纜

電力電纜的敷設注意事項有哪些?

2020-12-08
作者:翊成網絡z

在電纜軸附近和部分樓層應采取防滑措施。自下而上敷設時,低層小截面電力電纜可用滑輪大繩人力牽引敷設;高層、大截面電纜宜用機械牽引敷設;沿支架敷設時,支架距離不得大于1.5m;沿橋架或托盤敷設時,每層少加裝兩道卡固支架。敷設時,應放一根立即卡固一根。電力電纜在其兩端、拐彎處、交叉處應掛標志牌,直線段應適當增設標志牌。所掛標志牌規格應一致,并有防腐性能,掛裝應牢固。標志牌上應注明電纜編號、規格、型號及電壓等級。

電力電纜支架應安裝牢固,橫平豎直。各電纜支架的同層橫檔應在同一水平面上,其高低偏差不應大于±5mm。在有坡度的電纜溝內或建筑物上安裝的電纜支架,應有與電纜溝或建筑物相同的坡度。


電力電纜廠家


電力電纜明敷設時,電纜與熱力管道的凈距不宜小于lm。當不能滿足上述要求時,應采取隔熱措施。電力電纜與非熱力管道的凈距不宜小于0.5m,當其凈距小于 0.5m時,應在與管道接近的電纜段上以及由接近段兩端向外延伸不小于o.5m以內的電纜段上,采取防止電纜受機械損傷的措施。

在有腐蝕性介質的房屋內明敷的電力電纜,宜采用塑料護套電纜。

電力電纜水平懸掛在鋼索上時固定點的間距,電力電纜不應大于0.75m,控制電纜不應大于0.6m。

電力電纜在室內埋地穿導管敷設或電纜通過墻、樓板穿導管時,穿導管的管內徑不應小于電纜外徑的1.5倍。



標簽

最近瀏覽:

長城電纜           微信公眾號

  官網二維碼               微信二維碼  

<span id="dhr9h"><noframes id="dhr9h">
<span id="dhr9h"><video id="dhr9h"><span id="dhr9h"></span></video></span>
<th id="dhr9h"><noframes id="dhr9h"><span id="dhr9h"></span>
<progress id="dhr9h"><noframes id="dhr9h">
<th id="dhr9h"><noframes id="dhr9h"><th id="dhr9h"></th>
<span id="dhr9h"><video id="dhr9h"></video></span>
<th id="dhr9h"></th>
<span id="dhr9h"></span>
<th id="dhr9h"><noframes id="dhr9h">
<span id="dhr9h"></span>
<th id="dhr9h"><noframes id="dhr9h"><span id="dhr9h"></span><th id="dhr9h"></th><span id="dhr9h"></span>
<th id="dhr9h"><noframes id="dhr9h">
<span id="dhr9h"><video id="dhr9h"><strike id="dhr9h"></strike></video></span>
eeuss影院www在线观看