UF or underground feeder cable runs electricity wires under ground that are in cased in plastic. UF is a type of NM cable.
Non-metallic cable (NM) is flexible electrical cable with a plastic covering. It’s cheap and easy to work with and safe.
An arc fault circuit interrupter (AFCI) is located in the main electrical panel or a subpanel in a home. It can be reset like a standard circuit breaker.