一、用途：

适用于交流额定电压0.6/1KV的线

First, use:

Applicable to the line with AC rated voltage of 0.6/1KV, which can be used for transmission and distribution. The flame-retardant power cable is suitable for occasions requiring flame-retardant. The fire-resistant power cable is suitable for densely populated areas such as high-rise buildings and large shopping malls.

Second, the use of features:

(1) The long-term allowable operating temperature of the cable conductor does not exceed 70 ° C

       In the event of a short circuit (maximum duration not exceeding 5 seconds), the maximum temperature of the conductor cable does not exceed 160 °C.

(2) The ambient temperature when laying the cable should not be lower than 0 °C, and should be preheated when it is lower than 0 °C.

       Multi-core cable has a minimum bending radius of not less than 12 times the outer diameter of the cable, and no-clamping should be no less than 15 times the outer diameter of the cable.

(3) Conductor DC resistance should meet the requirements of GB/T3956-1997

(4) Power frequency withstand voltage test: 5U+2KV/5min does not breakdown

(5) Flame retardant properties:

The flame-retardant cable can withstand the bundle burning test specified in GB/T18380.3-2001.

The low-smoke low-halogen flame-retardant cable can withstand the bundle burning test specified in GB/T18380.3-2001, and the smoke concentration symbol GB/T17651.1-1998 at the time of combustion, the HCL content in the combustion evolved gas should be mg100mg/g. .

The low-smoke and halogen-free flame-retardant cable can withstand the bundle burning test specified in GB/T18380.3-2001, and the smoke concentration of the combustion-extracted gas solution is ≧4.3, and the conductivity is ≥4.3. Rate ≦ 10 /mm.

The fire resistant cable can withstand the fire test specified in GB12666.6-90

Third, cable laying

1. The cable temperature should not be lower than 0 °C when laying, and the cable should be preheated when the ambient temperature is lower than 0 °C.

2. Bending radius of laying:

(1) The single-core cable is not less than 20 times the outer diameter of the cable, and is not less than 15 times the outer diameter of the cable.

(2) The multi-core cable is not less than 15 times the outer diameter of the cable, and the armor is not less than 12 times the outer diameter of the cable.

3. After the cable is laid, it should be subjected to DC withstand voltage test, and the test voltage is 4U in 15 minutes.

路中，供输、配电能用。阻燃电力电缆适用于要求阻燃的场合，耐火电力电缆适用于高层建筑、大型商场等人口密集地区。

二、使用特征：

（1）电缆导体长期允许工作温度不超过70℃

       短路时（最长持续时间不超过5秒），导体电缆的最高温度不超过160℃。

（2）敷设电缆时的环境温度应不低于0℃，低于0℃时应先预热

       多芯电缆有凯装的最小弯曲半径不小于电缆外径的12倍，无凯装应不小于电缆外径的15倍。

（3）导体直流电阻应符合GB/T3956-1997的规定

（4）工频耐电压试验：5U+2KV/5min不击穿

（5）阻燃特性：

阻燃电缆能经受GB/T18380.3-2001规定的成束燃烧试验。

低烟低卤阻燃电缆能经受GB/T18380.3-2001规定的成束燃烧试验，且燃烧时烟浓度符号GB/T17651.1-1998的规定，燃烧析出气体中HCL含量应≦100mg/g.

低烟无卤阻燃电缆能经受GB/T18380.3-2001规定的成束燃烧试验，且燃烧时烟浓度符号GB/T17651.1-1998的规定，燃烧析出气体水溶液的PH值≧4.3，导电率≦10  /mm.

耐火电缆能经受GB12666.6-90规定的耐火试验

三、电缆敷设

1．  敷设时电缆温度不低于0℃，环境温度低于0℃时，应对电缆进行预热。

2．  敷设的弯曲半径：

（1）单芯电缆无铠装不小于电缆外径的20倍，有铠装的不小于电缆外径的15倍。

（2）多芯电缆无铠装不小于电缆外径的15倍，有铠装的不小于电缆外径的12倍。

3．电缆敷设后，应经受直流耐压试验，时间15分钟试验电压4U