3 hot, 1 zero, : H9 {# I: h; G7 ^Link any one hot with the zero, you get 110v 1 d+ k# ]+ C/ L5 J$ ~: d3 u8 R; kLink any one hot with another hot, you get 220v.1 }1 [) G) p$ x8 N5 ^
--- humble reply from a house wife.1 G# L9 c+ u8 C8 V Z
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