接地插座 meaning in Chinese

grounding plug
grounding receptacle

This water heater is supplied with a flexible , grounded power cord that connects to a standard three - wire , grounding - type receptacle
本热水器配置一根柔软的接地线，用于连接标准的三线、接地插座。
An appropriate power plug has to be attached to the machine by electric technicians . power plug has to be connected to a grounded receptacle
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。