Wiring for Lincoln AC 225 Welder
rvb
I have a 50 amp breaker. I have #6 AWG wire with 3 conductors and a
ground wire. The welder has 2 black wires and a green wire. The
sheething on the welder's wire says 'green conductor for ground only'.
The plug I have has 3 flat blades and says 'for non-grounded use
only'.
I'm confused. Do I wire up the breaker with 2 hots, a neutral, and a
ground and wire the receptacle with 2 hots and the ground? I was
originally figuring I would use the 2 hots and a neutral from the
breaker to the receptacle.
What am I missing here?
--
As Iron Sharpens Iron,
So One Man Sharpens Another.
Proverbs 27:17
Pete C.
rvb wrote:
>
> Any help is appreciated.
>
> I have a 50 amp breaker. I have #6 AWG wire with 3 conductors and a
> ground wire. The welder has 2 black wires and a green wire. The
> sheething on the welder's wire says 'green conductor for ground only'.
> The plug I have has 3 flat blades and says 'for non-grounded use
> only'.
>
> I'm confused. Do I wire up the breaker with 2 hots, a neutral, and a
> ground and wire the receptacle with 2 hots and the ground? I was
> originally figuring I would use the 2 hots and a neutral from the
> breaker to the receptacle.
>
> What am I missing here?
You have the wrong plug / receptacle. A 240V welder doesn't use a
neutral connection. You need a 240V 50A grounded plug / receptacle.
rvb
wrote:
>You have the wrong plug / receptacle. A 240V welder doesn't use a
>neutral connection. You need a 240V 50A grounded plug / receptacle.
Crap. Thanks for the information, though. I was afraid of that.
But, I can still use my same wire, right? I just don't use the third
conductor, only the two hots and the ground?
RoyJ
The earliest 240 wiring had two hots and a neutral (red/black/white).
Later welders (70's??) were 240 only and had two hots and a ground
(red/black/green). The most modern code calls for 2 hots (red/black),
ground (green), and neutral (white) if NEEDED.
Your cable is suitable for the latest code which calls for a 4 conductor
receptacle and plug with 3 blades parallel to each other and a round or
'D' shaped pin for ground. I'd recommend heading off to Home Despot or
similar and getting a matched set.
I *think* it is still code legal to use the 2 blade and 'D' shaped pin
setup (maybe Bruce Bergman will weigh in here) which lacks a neutral.
And yo will still find a lot of older installations with the angle
blades which is not approved.
Hope that helps.
RoyJ
plug should run about $15 total at Home Despot.
rvb
wrote:
>Your confusion results from three different 'standards' over the years.
>The earliest 240 wiring had two hots and a neutral (red/black/white).
>Later welders (70's??) were 240 only and had two hots and a ground
>(red/black/green). The most modern code calls for 2 hots (red/black),
>ground (green), and neutral (white) if NEEDED.
>
>Your cable is suitable for the latest code which calls for a 4 conductor
>receptacle and plug with 3 blades parallel to each other and a round or
>'D' shaped pin for ground. I'd recommend heading off to Home Despot or
>similar and getting a matched set.
>
>I *think* it is still code legal to use the 2 blade and 'D' shaped pin
>setup (maybe Bruce Bergman will weigh in here) which lacks a neutral.
>And yo will still find a lot of older installations with the angle
>blades which is not approved.
>
>Hope that helps.
>
Thanks. It does...sort of. I am puzzled then with what I do with the
wires from the welder to the plug. If the plug has '3 blades parallel
to each other and a 'D' shaped pin for ground', how does that get
wired to the welder properly since the welder wires (on which there is
no plug) are only 2 hots and a ground?
Sorry for being a pain. I'm just trying to understand so I'm armed
with as much knowledge as possible before heading off to the store ...
again. I want to come back with the right stuff and be welding
tomorrow night. :)
rvb
Never mind. I think I've got it.
I need this:
http://www.leviton.com/OA_HTML/ibeCCtpItmDspRte.jsp?sitex=10021:22372:US&item=110506
And this:
http://www.leviton.com/OA_HTML/ibeCCtpItmDspRte.jsp?sitex=10021:22372:US&item=5541
Thanks again, everyone for all the help!
Maxwell
"rvb" <rick....@gmail.com> wrote in message
news:b4krt3558bft7ejkp...@4ax.com...
> Any help is appreciated.
>
> I have a 50 amp breaker. I have #6 AWG wire with 3 conductors and a
> ground wire. The welder has 2 black wires and a green wire. The
> sheething on the welder's wire says 'green conductor for ground only'.
> The plug I have has 3 flat blades and says 'for non-grounded use
> only'.
>
> I'm confused. Do I wire up the breaker with 2 hots, a neutral, and a
> ground and wire the receptacle with 2 hots and the ground? I was
> originally figuring I would use the 2 hots and a neutral from the
> breaker to the receptacle.
>
> What am I missing here?
How many conductors are in the welder's cord? Three or four?
Rick Barer
On Mar 17, 8:38 am, "Maxwell" <luv^2^fly^99@^cox.^net> wrote:
> "rvb" <rick.bar...@gmail.com> wrote in message
RoyJ
receptacle end.
take a look at www.mcmaster.com page 759 for a good chart of your options.
The 10-50 is the oldest style with the blades at an angle.
You are looking at a 6-50 which is 240 volts but NO NEUTRAL. Your welder
probably does not need one but why go with something that is not more
universal (think new toys!)
Take a look at the 14-50 style receptacle with all 4 terminals wired up
(Black/Red/White/Green). Your welder cord probably only has 3 wires
(Black/Red/Green) so use the mating 14-50 plug with nothing hooked up to
the white wire terminal.
rvb
>Any help is appreciated.
>
>I have a 50 amp breaker. I have #6 AWG wire with 3 conductors and a
>ground wire. The welder has 2 black wires and a green wire. The
>sheething on the welder's wire says 'green conductor for ground only'.
>The plug I have has 3 flat blades and says 'for non-grounded use
>only'.
>
>I'm confused. Do I wire up the breaker with 2 hots, a neutral, and a
>ground and wire the receptacle with 2 hots and the ground? I was
>originally figuring I would use the 2 hots and a neutral from the
>breaker to the receptacle.
>
>What am I missing here?
Hey everyone. I just wanted to let you know that I finally got my
chores done for the weekend late last night (fixing horse fencing,
fixing gates, taking down a tree, delivering the wood to
father-in-law, etc.) and I installed the receptacle and plug for the
welder.
It came out great and was very simple. I'll tell you something,
though. That #6 wire is NOT the most flexible stuff on the planet!
:)
Anyway, I fired up the welder and gave it a test run with some 6013 I
was given with the welder. It ran great, but I was suprised at how
shallow the penetration was with AC. Oh well. It'll do for now. :)
Almost time to get more goodies now that I have the power sorted out.
Thanks to all that offered help and advice. It is appreciated.
rvb