Should I Change a Two-Prong Outlet to a Three-Prong?
Yes, if you have a two-prong outlet it’s an “ungrounded” outlet and is unsafe. A 3-prong outlet, on the other hand, is a “grounded” outlet and is a much safer upgrade for your home and family. In fact, in 1962 the NEC (National Electric Code) began requiring that all new houses be built with 3-prong