lectrical work is not DIY. Hire a professional to do any job that involves any kind of electrical wiring. You don’t want to go poking around electrical wiring if you don’t have the knowledge or experience.
http://news.nationalpost.com/homes/mike-holmes-it-shouldnt-come-as-a-shock-that-you-need-a-licensed-electrician-to-work-on-any-wiring