I'm guessing that you want to turn the wiring in the boxes into a 110v line . It can be done , but it involves opening up the panel box . Unless you know what you're doing , get an electrician to do the job . There's a couple of places inside the panel box that are live ( even when the main breaker is off )all the time .
It's not worth it to fry yourself in order to save some bucks.
It's not worth it to fry yourself in order to save some bucks.