Sockets can have automatic shutters to prevent international objects from remaining inserted into energized contacts.[one] Sockets are often set into a surround which stops accidental contact with the Stay wires within the wall driving it. Some also have an built-in cover (e.g. a hinged flap) covering the socket by itself https://differenttypesofmaleelect80010.nizarblog.com/29517803/fascination-about-types-of-electrical-plugs-copyright