Can the main electric line coming into the house be split?
Not a good idea. You need to have an electrician add another breaker or two into your existing main breaker panel and have the new addition wired according to code into the main breaker panel. The way you were thinking of doing this could cause you to be electrocuted or burn your home down if improperly wired. Your addition will have to be properly inspected and any building or wiring will have to be to code. The added expense of an electrician is well worth it. You paid to have a permit for your new addition I hope? Even though I only had a 10X12 shed that I wanted to have a ceiling light, light switch, and 2 outlets added, I hired an electician to do the job. He added two extra breakers to my existing main panel. I can run two different power tools at once using both recepticles at the same time without having the breakers snap as he wired them for a higher amp use, i.e. an electric saw and a drill. I discussed my needs with him before he did this job. It only cost me $200 and was ab
