Basically, I'm trying to wire a new 220v outlet with an additional 110v outlet. Here is the 220v outlet: It's a three-wire outlet but I was told in another thread that I could use 12-3 wire to ...

that plug into a 220 volt outlet. The guy I purchased it from said I could change the plug to a 110v plug and everything should still work fine but I don't know enough about this stuff so I ...