How to Wire a 4-Prong 240-Volt Twist-Lock Plug | Hunker Nov 08, 2018When you loosen the screws to separate the plug, you'll see the four terminal screws in the front part of the housing. The two brass ones are for the hot wires, which are the red and black wires in a three-conductor cable. The red and black wires are interchangeable between the two brass screws. Cable & Wire Connectors at Lowes Shop cable & wire connectors in the electrical section of Lowes. Find quality cable & wire connectors online or in store. Cable & Wire Manufacturer & Supplier | Galaxy Wire & Cable Galaxy Wire & Cable is a leading manufacturer and supplier of custom and stock wire and cables, cable assemblies and harnesses, with full engineering and design services. Connecting Portable Generator To Home Wiring: 4-Prong and Diagrams for wiring 3 and 4-prong dryer outlets. Pinout of 4-wire generator plug and safety rules. Connecting a Generator to House. Apr 24 2012 . Let me start by saying that the safest way of connecting a portable generator set or any other power source to a house wiring is via a colour of wires for american plugs | DIYnot Forums Sep 03, 2019colour of wires for american plugs Discussion in ' Electrics UK ' started by mozartk500 , 16 May 2005 . This topic originated from the How to page called Wiring a plug .