I. executive standard: GB12706.1.3 adopts international electrician committee IEC60502

II. Working features:

1. Environment temperature should be no lower than 0℃ for laying, the cable fall without limitation

2. The min bending radius of cable is stipulated as follows: Single core: 20(d+D) 5% three cores: 15(d+D) 5% (D is actual diameter of cable; d is actual outer diameter of conductor.)

3. Operation temperature of cable PVC sheath is no more than 90 ℃

4. Max rated temperature of cable conductor is 90 ℃, and no higher than 250 in time of short circuit (max. Lasting time is no longer than 5s)