Electricians need to go through a trades program specializing in the field. It takes over 2,000 hours, or four years, of hands-on experience in most states before an electrician is licensed and able to work independently. This number can increase for journeymen electricians or if the electrician wants to work on commercial projects. Some states require these tradesmen to pass an exam or receive certification. Beyond acquiring a license, electricians also need to have insurance. This protects the electrician’s equipment, tools and vehicles, and also insures them if something goes wrong.