3 hot, 1 zero, * E! w( r1 F8 K- ]Link any one hot with the zero, you get 110v - c8 j; |" Y8 W1 NLink any one hot with another hot, you get 220v. 5 i2 Y9 G1 o; A9 P* k. O+ h--- humble reply from a house wife. % f, e( r$ {5 s% I$ P7 y 6 Q* `+ K: q* w; w$ U8 b( O* h- p$ P8 N. t4 a1 x& y- }$ g9 u