1, wire and cable products rated voltage

2, long-term working temperature of wire and cable is 70 ℃

3, the laying of wires and cables when the ambient temperature is not less than: fixed laying -40 ℃, non-fixed laying -15 ℃

4, the minimum bend radius of wire and cable: no armored layer should be less than 6 times the outer diameter of the cable, with armored cable should be not less than 12 times the cable diameter

5, wire and cable at 20 ℃ with DC 500v voltage test stable charge 1min insulation resistance should not be less than 2500mω ·

6, between the twisted pairs of wire and cable, and between the twisted and the total should be continued between the road

7, wire and cable core and between the core and should withstand 50hz, exchange 2000v voltage test 5min no breakdown