密封并保护所有未绝缘的导体。

Enclose and protect all uninsulated conductors.

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为了安全，务必用电工胶带绝缘任何未连接的电线。

Be sure to insulate any loose unconnected wires with electrical tape for safety.

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覆冰绝缘子伞裙间隙未桥接时，冰凌尖端的放电是影响绝缘子闪络电压的主要因素之一。

The discharge at the top of icicle is one of the main factors influencing flashover voltage when the air gap amid the sheds of ice-covered insulators is not bridged.

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