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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
A cheater plug, with metal grounding tab (lower right). The ground tab is designed to be attached to the outlet faceplate screw, which is supposed to
A cheater plug, with metal grounding tab (lower right). The ground tab is designed to be attached to the outlet faceplate screw, which is supposed to be connected to the building electrical ground.
A receptacle tester for North American wiring
A receptacle tester for North American wiring
A receptacle tester for European wiring
A receptacle tester for European wiring
GFCI tester operating in European socket
GFCI tester operating in European socket
A receptacle tester being used to check for some types of improper wiring of an outlet. For this particular tester, proper wiring is indicated by the
A receptacle tester being used to check for some types of improper wiring of an outlet. For this particular tester, proper wiring is indicated by the two yellow lights.