Cody 82 ZXT Posted July 3, 2006 Share Posted July 3, 2006 Ok so I fianlly got everything moved into the new house. One of the first things I want to do is to hook up my compressor. You know before all the boxes are unpacked I need the comprssor hooked up. Anyway, the compressor has black, white and a green wire. At the old house I just hooked these up to a three wire dryer cord and went to town. The new house has a 4 pronged plug in the wall. I bought a new cord but, it has black, red, green and white. What do I do with the red wire? Quote Link to comment Share on other sites More sharing options...
Pop N Wood Posted July 4, 2006 Share Posted July 4, 2006 You need to be careful. I take it your compressor is 220V. In this case, chances are, the black and white wire on the compressor will connect to the black and red house wires. What I am uncertain about is whether your green compressor wire should hook up to the green or white house wire. It will make a huge difference, since doing it wrong could tie your ground and neutral wires together at a point away from the main breaker box. Check through some of the old threads on this topic and PM the guys who said they were electricians. Quote Link to comment Share on other sites More sharing options...
Brad-ManQ45 Posted July 5, 2006 Share Posted July 5, 2006 Pop N Wood: You are indeed correct, the Black and Red wires are the two wires to connect for power, the ground would go to green, as the white wire is the neutral, which is the "return" for the 110/120/125 volt circuit in newer dryers. This also follows the standard for any 110/120/125 volt circuit of one hot wire and a neutral wire. The only difference here of course is the extra hot to provide 220/240/250 volts. Quote Link to comment Share on other sites More sharing options...
grumpyvette Posted July 5, 2006 Share Posted July 5, 2006 http://www.passandseymour.com/pdf/U077.pdf http://www.passandseymour.com/pdf/U013-U020.pdf http://www.sigmasystems.com/Techdoc/Tech_Docs/SigmaPowerPlugs.htm http://leviton.com/pdfs/d-503/d-503T.pdf (see page 21) http://www.danielwoodhead.com/pdf/139-172/163.pdf http://techpubs.sgi.com/library/tpl/cgi-...i_html/apb.html btw this may help, most garages need a welder or a lift, sooner or later so youll more than likely need a 220 volt outlet (30-100amp) this wiring stuffs not hard to do, but use the correct gauge wire and the correct plugs and sockets for the application and ID strongly suggest useing a MINIMUM of 10ga wire for 110volt and 3/4" metalic conduit (use the correct single breaker rating for the application on the 110 volt) 110 v outlet end black/power to the gold screw white/neutral to the silver screw green/ground to the green screw 110v at the box black/power to breaker white/ neutral to neutral bar green/ ground to ground bar and 4 GA on the high amp 230 volt applications,like WELDERS, little 230volt stuff like compressors and lifts get along fine with (4) 10 ga wires (use the correct dual breaker rating for the application on the 220 volt) 220v at the outlet red feed to one hot black feed to one hot green to ground on plug (optional but HIGHLY RECOMENDED) second green to the conduit ground screw 220v at the box red to one side of DUAL breaker black to one side of DUAL breaker green/ ground to ground bar optional green/ ground to ground bar Quote Link to comment Share on other sites More sharing options...
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