In house wiring, neutrals are used to send a signal to the service panel that the circuit is completed, while ground wiring is what allows the circuit to be completed. Learn about electricity’s need to find ground or earth withhelp from a professional carpenter, woodworker and handyman in this free video on home improvement and house wiring. Expert: Stephen G. Anthony Bio: Stephen G. Anthony is a professional carpenter, woodworker and handyman based in New York City and south Florida. Filmmaker: Paul Muller