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-   -   1 phase 230vac air compressor hook up to 3 phase dryer outlet? How? (https://www.askmehelpdesk.com/showthread.php?t=484416)

  • Jun 30, 2010, 07:30 PM
    frotosride
    1 phase 230vac air compressor hook up to 3 phase dryer outlet? How?
    I have a single phase air compressor 230vac. But the only outlet in the house I am renting ( why I will not run new wires and breaker) is what I assume a 3 phase for the dryer. The outlet has a red, black, white and ground. If I am correct then I can use either the red and black or the white and the black plus a ground and this will allow my 220/240 vac for the compressor? Yes?
  • Jun 30, 2010, 07:56 PM
    KISS

    Residential typically doesn't have 3 phase power.
    Residential dryers are not 3 phase.

    What you likely have is 240/120 outlet or a 4-wire 240 outlet. This consists of:
    Green/bare = ground
    White = N= Neutral
    Red = L1
    Black = L2

    Between L1 and L2 there will be 240 V. Between L1 and N there will be 120 V and between L2 and N there will be 120 V.

    Your compresor likely requires L1, L2 and ground. Don't use N.
  • Jun 30, 2010, 08:50 PM
    frotosride
    Comment on KISS's post
    You are a smart man... I do live in a highly industrial area and 3 phase is available but you are right those are the exact wires.

    One more quick question if you have the time to entertain it.

    If I use 10-2 about 15ft from the outlet to the compres
  • Jun 30, 2010, 08:54 PM
    frotosride
    Comment on KISS's post

    If I use 10-2 about 15ft from the outlet to the compressor( 230 1 phase fla 15 fr 58. Dou think I will have any load/heat problems? I only use it about 2-3hrs day for porting heads and running some air tools
  • Jul 2, 2010, 12:46 AM
    KISS

    Can you post the rest of this sentence "if i use 10-2 about 15ft from the outlet to the compres" as "Post quick Answer"

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