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额定电流为15A和20A的用3芯接地插头5 o, |; Y0 u; x( L( E
The attachment plug of the power supply cord of an appliance provided with a 15- or 20- ampere
4 v2 @! O }+ F' o8 P" Y3 Rgeneral use receptacle shall be of the 3-wire grounding type. The attachment plug of the power supply$ D. T) g# H, J7 M {/ F- I! Z4 n
cord of an appliance provided with a manually operated, line-connected, single pole switch for appliance
% ~7 Y" @& R4 x( ?+ [# ?- M& {$ Yon-off operation, or an Edison base lampholder, shall be of the polarized or grounding type |
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