3 hot, 1 zero,+ K! ]$ X7 l( X R
Link any one hot with the zero, you get 110v6 m: n% C! L5 e7 i# R! o0 p9 l2 p
Link any one hot with another hot, you get 220v. 2 R* k/ W' f U( O8 R--- humble reply from a house wife. $ F% X' q" o T& e7 n5 o; J% n8 Q: Q1 K
- a9 x8 d# w, o' _
# `- m# n+ s. c3 L9 M' |. K/ t