美国插头是怎样分类的

做太猴急事

美插，5-15R，6-30R，那三个数字分别代表什么啊

voculy

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...