240 to Garage

[kTHREE]

Before I close up the final wall on my garage I need to run 240 through the wall down to the utility room.
I freely admit I don't know **** about electrons over 12 VDC so the actual connections and finish work will be done by someone else...but I can at least pull the wire through the ceiling/wall while i'm here before insulation.

So:
~150ft run max (probabably 120ft but rather over shoot)
Welder is rated at 230/1/60 (hope that means more to you than me)
x/2? Any reason to add x/3?

Solve for x.

 

[Falcon67]

Not sure exactly what you mean by solve for X, but I don't pull any 240V runs anymore without a neutral. Sure as you pull two hots and a ground, you'll want some bitty 15A plug right there for a light bulb or a phone charger. You can always cap off a neutral, real hard to add one LOL.

 

[kTHREE]

I have plenty of outlets/lights in the garage already.

The x is the unknown wire gauge/type of wire.

 

[pattenp]

You need to know the input amps needed for the welder. If doing a general purpose circuit you need #10 Cu for 30A, #8 Cu for 40A, #6 Cu for 50A. So X is either 10, 8, or 6.

 

[Norcal]

Not sure exactly what you mean by solve for X, but I don't pull any 240V runs anymore without a neutral. Sure as you pull two hots and a ground, you'll want some bitty 15A plug right there for a light bulb or a phone charger. You can always cap off a neutral, real hard to add one LOL.

If it's over 20 amperes, you can't just tap off for whatever requires 120 volts, that makes a neutral a waste of money for a 240V 30-50A circuit.

 

[kTHREE]

You need to know the input amps needed for the welder. If doing a general purpose circuit you need #10 Cu for 30A, #8 Cu for 40A, #6 Cu for 50A. So X is either 10, 8, or 6.

230/1/60 is it's stated rating

 

[pattenp]

230/1/60 is it's stated rating

If those are the input numbers I take it to mean you need 60A. You need to make it a dedicated welder circuit and determine the needed wire size based on the duty cycle of the welder. Post up the welder make and model to get better help on sizing the circuit.

Edit: Are you using this circuit only for the welder?




*

 

[kTHREE]

Edit: Are you using this circuit only for the welder?

Yes, nothing else.

I'm not 100% on the model as it's being given to me but this is what was suggested as similar.
http://www.lincolnelectric.com/en-us/Equipment/Pages/product.aspx?product=K1297(LincolnElectric)

 

[Norcal]

230/1/60 is it's stated rating

230 volts / 1 phase / 60 HZ is the normal meaning.

 

[kTHREE]

230 volts / 1 phase / 60 HZ is the normal meaning.

oh.. ok does this help:

Input Power
230/1/60
Rated Output
AC: 225A/25V/20% Duty Cycle
DC: 125A/25V/20% Duty Cycle
Input Current @ Rated Output
AC: 50A
DC: 36A
Output Range
AC: 40-225 Amps, DC: 30-125 Amps

 

[pattenp]

230 volts / 1 phase / 60 HZ is the normal meaning.

That makes sense. Then what I said about 60A is not correct. You need to determine the input amps. That Lincoln link took me nowhere.

Edit: You need 50A circuit. Just wire it as a general purpose circuit, so use #6 Cu. (such as 6/2 NM) and a 6-50 outlet. Technically if using it as a welder only circuit you can get by with #10 on a 50A breaker since the duty cycle is only 20%, but I think it's best to wire it as a normal 50A outlet circuit using #6 Cu.