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额定电流为15A和20A的用3芯接地插头/ M% m: r0 }3 z6 w; `$ j0 t* R
The attachment plug of the power supply cord of an appliance provided with a 15- or 20- ampere
5 @3 M2 Z+ U- Q) Ogeneral use receptacle shall be of the 3-wire grounding type. The attachment plug of the power supply8 g7 S! E6 K2 B' ^: w* J
cord of an appliance provided with a manually operated, line-connected, single pole switch for appliance
1 r" R5 N; l* j |$ ~( von-off operation, or an Edison base lampholder, shall be of the polarized or grounding type |
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