YangT 发表于 2011-10-24 17:40

美国插头是怎样分类的

美插，5-15R，6-30R，那三个数字分别代表什么啊

leejl1228 发表于 2011-10-24 18:16

You can refer to NEMA WD6 for US plug dimension is following:
5-15R is 125V/15A, 2-pole 3-wire with grounding of Receptacle
6-30R is 250V/30A, 2-pole 3-wire with grounding of Receptacle

X-YR; X-YP
X is NEMA number
Y is Ampere value
R is Receptacle
P is Plug

Hope above is helpful...
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