That 50A 220V outlet is probably the 3-prong triangle sort of
arrangement? Like a dryer plug? Or two spades then another one
vertical to them in the middle? I can't remember all the various types
for the different loads. You can come off there and put in another
similar outlet, you have to use #8 (? I think that's right) wire for the
amperage. You DO NOT want to run other outlets off that plug that are
not rated the same amperage (I won't tell you what I do to run my
jointer and compressor in the garage...).
If you have other 220V circuits you'll have some double-space breakers
in there that use both legs of the power coming in, and they will have 2
wires attached to them, a black and (usually) a red, and a double bar to
open/close the circuit. You can use the white wire instead of a red,
but you need to mark it red at each end with a marker pen or red tape,
and there is no white neutral needed as the 220V is between the two
hots, not like on a 110V between a (black) hot and (white) neutral.
Running say a 20A 220V circuit you can use 12-2 romex (2 conductors
black and white and the bare ground) and just mark the white as red. Or
same deal with a 30A, use 10-2 romex. If you have a direct run from the
breaker box to some outlet box, and if it only has the black and white
conductors, you can use that for 220V by using the black for one leg and
taking the white off the neutral bar and painting it red then hooking it
to the 220 breaker. Ground stays the same. Make sure there are no
intermediate receptacles that aren't also upgraded.
If you have conduit running around, you have to use the single
conductors (THHN?) that are rated for conduit of the proper amperage.
Sometimes that is easier and in a shop protects the wiring a lot better
and looks cleaner. The 20A 220V receptacles will have one vertical and
one horizontal and you will need that kind of plug. 20A receptacles
have a combination of a vertical/horizontal so you can use them for 110V
or 220V, but to me that can cause issues if someone plugs in a 110V
appliance into a 220V-wired outlet. I have used those in all my new
wiring but it is all 20A 110V.
I would suggest you go to Lowes or HD and buy a test probe, they are
like $10-15 and will beep when you get the business end near a hot
receptacle or wire. Lots better than the little light things with the 2
wires, you won't fry your ass. I think they work on 12V too, so good
for the cars. You can trace circuits pretty easily with one.
--R
On 11/21/15 2:34 PM, Curly McLain via Mercedes wrote:
When ya gonna be home next week? (turkey day week) It might work...
You can move the switches, or change to 3 way and run a wire from the
current to the additional switches. If the picture I can't see has
wires connected to the double breaker, then it is a 220 circuit. 120V
should have a black, a white and a green. Most residential 220/240
has the same. the white is used in place of the red. Good color
coding would be black, red, green for a 220/240v single phase, and it
may have a white also to keep the common.
You can put more than one outlet on a breaker, but for 240 V major
users, the best practices is to have one outlet per breaker. Same for
dishwasher, air cond, etc.
If you need more spaces, you can get piggyback breakers or half width
breakers to get more 120V circuits in the same box, freeing up spaces
for 240V doubles.
Your old place would not have been too much out of the way. If I
remember right, you are close to Ponca City now. SE of Ponca? I'd
have to figure out the route to get there.
Get in the car and drive down, you can haul a load of parts back with
you. My shop is kind of retarded. So the walk in door is at 1 end,
the breaker box is at the other and this is where they also located
the light switches, right next to the breaker box. The 220 or 240
outlet whatever you call, which is 50 amp btw is also right next to
the breaker box. This is a good spot to say plug in a welder or
something but the huge air compressor is right in the way there. I
want to locate it in a corner on the other side of the shop but need
an outlet there. The empty box with what appears to be about 10-12
gauge wires is close to the walk in door, but not really in the
corner where I want to put the compressor. That other empty box with
the lighter gauge wires is in the perfect spot but I think it's 110
type wires. I also really need to have a light switch put in by the
door, I guess in addition to or relocate the ones by the breaker box.
In the box there is at least 1 maybe 2 empty spots for breakers. Does
each outlet have to have its own breaker or can 2 use the same breaker?
Sent from my iPhone
On Nov 21, 2015, at 12:45 PM, Curly McLain via Mercedes
<mercedes@okiebenz.com> wrote:
I have 1 220 outlet in my shop but it's not really in a good
location. I need a couple more installed for future lifts and air
compressor. I have a couple of blank boxes in the shop with no
outlets in them. One has heavy wires and is in a better location
but still need one or 2 more. Does this appear to be wired for 220
and all I need to do is install the outlet? How do I wire in
additional outlets? Maybe I would be better having an pro do it.
>>
>> Sent from my iPhone
>
> Pay my way there and I'll do it for ya. Trade ya labor fer paatz
>
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