3 hot, 1 zero, % S5 _/ U( H `: ULink any one hot with the zero, you get 110v ! Y0 Y0 T9 `* n0 x! N* W1 R' `Link any one hot with another hot, you get 220v.3 o2 g9 X4 G4 t1 c
--- humble reply from a house wife. ' W0 b. p4 o( I* e) Q 4 f8 P2 A7 A% E1 f9 j! [* j0 s% N/ ^- O. i/ a4 P: O