The maininsulation material is the complex of PTPE combined on the conductor directly under the condition of constant temperature, constant humidity and dust free.
主绝缘材料采用聚四氟乙烯在恒温恒湿无尘状态下,直接复合在导体上。
2
If you see sparks or broken or frayed wires, or if you smell hot insulation, turn off the electricity at the main fuse box or circuit breaker.