断开接地电缆插头。
电源插头应用具有电气专门知识的人来安装。电源插头必须连接到接地插座上。
An appropriate power plug has to be attached to the machine by electric technicians. Power plug has to be connected to a grounded receptacle.
线圈有三孔插头，其中上为接地线，左右孔接工作导线。
Coil with three-hole plug, which on the ground, then work around hole lead.
不要忽视接地型插头的安全作用。
Do not defeat the safety purpose of the grounding type plug.
电源插头必须连接到接地插座上。
严格按操作要求使用仪器，本仪器采用单相三线插头，连接地线以确保用电安全。
Operation rules should be strictly followed. The instrument ADAPTS with a mono phase three pin plug, which connects to the earth for safety.
工厂设备的电气引入线全部都应当是接地及连接至三脚插头的，或者是双重绝缘的。
All electrical leads on factory equipment should be three-prong grounded or double insulated.
工厂设备的电气引入线全部都应当是接地及连接至三脚插头的，或者是双重绝缘的。
All electrical leads on factory equipment should be three-prong grounded or double insulated.
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