執(zhí)行標(biāo)準(zhǔn) Execution standard
GB/T 12706-2008
適用范圍Application
本產(chǎn)品適用于工頻額定電壓0.6/1kV及以下配電網(wǎng)或工業(yè)裝置中固定敷設(shè)之中。
This product is suitable for power frequency rated voltage 0.6/1kv and below power distribution network or fixed installation in industrial equipment.
產(chǎn)品結(jié)構(gòu)圖 Structural chart 
電纜型號(hào)、名稱(chēng) Type and name
電纜載流量 Current Carrying Capacity of Cable
注：用于交流系統(tǒng)的單芯鋼絲鎧裝電力電纜的屏蔽銅帶及鋼絲（含所有隔磁銅絲）充分、接地。本載流量是按EC推薦公式計(jì)算的（表中數(shù)值參考上海電纜研究所馬國(guó)棟著《電線電統(tǒng)載流量》）。新版GB/T12706認(rèn)為單芯結(jié)構(gòu)鋼絲繼裝電力電纜實(shí)際載流量比IEC推薦載流量大為降低，截面選擇宜適當(dāng)放大。
電纜敷設(shè)運(yùn)行條件Operating Conditions for Cable Laying
在空氣中敷設(shè)
1.單芯電纜平行敷設(shè)時(shí)中心距離：185mm/及以下為電纜直徑的2倍；240mm/及以上為90mm.
2.周?chē)h(huán)境空氣溫度：30℃.
3.導(dǎo)體的長(zhǎng)期高工作溫度：90℃.
In air
1.The center distance of single-core cable laying in parallel:185mm/below is twice the diameter of cable; 240mm/above is 90mm.
2.ambient air temperature:30C.
3.The longest working temperature of 3.conductor is 90C.
不同環(huán)境溫度下載流量的修正系數(shù)：
Curent carying rating factors for different ambient air temperature 
在空氣中敷設(shè)
1.單芯電纜平行敷設(shè)時(shí)中心距離：185mm/及以下為電纜直徑的2倍；240mm/及以上為90mm.
2.周?chē)h(huán)境空氣溫度：30℃.
3.導(dǎo)體的長(zhǎng)期高工作溫度：90℃.
1.The center distance of single-core cable laying in parallel:185mm/below is twice the diameter of cable; 240mm/above is 90mm.
2.ambient air temperature:30C.
3.The longest working temperature of 3.conductor is 90 C.
不同環(huán)境溫度下載流量的修正系數(shù)：
Curent carrying rating factors for different ambient air temperature