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额定电流为15A和20A的用3芯接地插头
- j; d$ { x" Z2 {, T& hThe attachment plug of the power supply cord of an appliance provided with a 15- or 20- ampere' c% h/ q+ j! L/ j7 O
general use receptacle shall be of the 3-wire grounding type. The attachment plug of the power supply
% w/ y. d- t" U4 Q* \; J3 icord of an appliance provided with a manually operated, line-connected, single pole switch for appliance
% ], X2 y* e: |* Q x/ p; t4 con-off operation, or an Edison base lampholder, shall be of the polarized or grounding type |
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