View Full Version : 1 phase 230vac air compressor hook up to 3 phase dryer outlet? How?
frotosride
Jun 30, 2010, 07:30 PM
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?
KISS
Jun 30, 2010, 07:56 PM
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.
frotosride
Jun 30, 2010, 08:50 PM
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
frotosride
Jun 30, 2010, 08:54 PM
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
KISS
Jul 2, 2010, 12:46 AM
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"