如果你看到冒火花的、断裂的或者磨损的电线，或者闻到绝缘体烧焦的味道，在保险丝盒或者断路器断关闭电路。
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.
人们不会认为绝缘的金属丝头是有电部件。
Insulated lead wires are not to be considered to be live parts.
介绍一种能耐高温和绝缘的涂料及应用于汽车点烟器发热线圈电热丝表面绝缘处理工艺。
The paper introduces a coating with high temperature resistance and insulating property for surface insulation process of electric heater coil of heating coil in automobile cigar lighter.
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