Wiring a Plug: Replacing a Plug and Rewiring Electronics Properly wired plug and lamp socket. Maintain the correct hot and neutral electrical paths from the outlet to the light bulb. Wire a plug to maintain correct polarity. Wiring a new plug isn’t difficult, but it’s important to get the hot and neutral wires connected to the proper prongs. The danger isn’t fire.Author: The Family Handyman Leads Direct | Wiring an American Plug Wiring an American Plug So much so, a full American cord set with moulded connectors as shown on our Mains Leads page will cost less than the rewireable plug But if you want to buy American connectors then why not check out our NEMA5-15P plug or our NEMA5-15RX extension socket.