Conductor DC resistance is in accordance with the requirements of GB/T3956-2008.
The insulation performance of the finished cable is in accordance with the requirements of JB/T8735.2. And can withstand which is specified in the following table , the AC voltage test 5 minutes without breakdown.
U0/U(V) | 300/500 | 450/750 | |
试验电压Us(kV) | 2 | 2.5 | |
Test voltage Us (kV) | |||
U0/U are 450/750V and 300/500V
The temperature of cable ( electric wire) were laid in the air should not be less than 0°C
Allowed a long-term working temperature of cable ( electric wire) should not exceed 60°C
The Allowed bending radius: it should not be less than 2D if the outer dismeter of the cable less than 25mm, it should not be less than 3D if the outer dismeter of the cable is 25mm and above,when 25mm is less than D, the outer diameter of the cable should be no less than 2D, the outer diameter of the cable 25mm is D and above, the cable diameter is not less than 3D.
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