contact devices 
Examples of components that connect a device to an electric circuit.
Device connecting an electric circuit that conducts the current to an electric device when a plug is inserted.
End part of an electric wire equipped with blades that are inserted into an outlet to establish contact.
Device connecting a circuit’s ground wire, which allows the current to be conducted to the ground connection in the event of a short circuit.
Flat metal part inserted into the slot of an outlet to establish electric contact.