This plug is in a back, rarely used corner of my shop. The previous owner installed it. I live under a rock and have no idea what type of plug it is and what plugs into it. What type of cool shop equipment do I not have but desperately need because I have this plug?
Looks like a 220/240 plug receptacle....
This is physically the same size as the 110 outlets, not that the size necessarily means anything. There is a 220 plug on another wall in a more accessable area but it looks like the normal ones Ive seen stoves, dryers and welders plugged into. Or are there smaller 220 plugs?
110v 20 amp
...whatever it takes
Ranger50 wrote: Looks like a 220/240 plug receptacle....
It is 110 volts, however, it has the "sideways" or "T" neutral prong that allows the use of high-current devices. It is a 20-amp outlet versus the normal 10- or 15-amp.
20-amp plug:
Sky_Render wrote:Ranger50 wrote: Looks like a 220/240 plug receptacle....It is 110 volts, however, it has the "sideways" or "T" neutral prong that allows the use of high-current devices. It is a 20-amp outlet versus the normal 10- or 15-amp. 20-amp plug:
That plug doesn't fit the outlet. Looking at the chart, you have a 220/240V outlet for a welder. Lucky you!
Oh, snap, you're right. I got all dyslexic on my plugs.
Yep, looks like a 240v 20a receptacle. It's a good idea to check the voltage with a multimeter to be sure.
Toyman has one in the Garage Majal, just below the breaker box. Since it looks so much like a 120v receptacle, when I wired it I marked it '240v' for future generations.
It's winking at you!
I about blew a fuse reading some of the posts in this thread! It's a NEMA 6-20, 220-volts. I'd put a meter on it just to make sure it's serving up the proper voltage.
Looks exactly like the 220 outlet I had put in my garage.
And have never used because my welder is 110...
Oooooo, an air compressor large enough to do stuff with it could plug in those holes.
RossD wrote: Oooooo, an air compressor large enough to do stuff with it could plug in those holes.
Thats a good idea!
It's a standard NEMA 6-20. So, 240v and IIRC 30 amp but do make sure it is wired properly before you plug in that new Miller Synchrowave and crank up the heat. (10 ga wire or 8 if it's a long run to the box).
It threw me for a loop because the 220 outlets I am familiar with all have big housings and look something like this.
My 5HP 60 gallon compressor runs off of a 220v 20amp circuit. 
1988RedT2 wrote: I about blew a fuse reading some of the posts in this thread! It's a NEMA 6-20, 220-volts. I'd put a meter on it just to make sure it's serving up the proper voltage.
I'm with Red. You guys have me ready to overload.
There are a lot of different types of 220V outlets. The capacity is NOT determined by the plug, it is determined by the wiring, circuitry, and distance to the panel.
It would be a MUCH better guess to begin by looking at the breaker and seeing what amperage someone considered. But, of course, that's just a start. You really need to insure the proper sizing of the wires, etc. An electrician would be very helpful.
The outlet can be switched to ANY 220V receptacle of the proper amperage.
Personally, I remove NEMA 6-20's whenever I can. The push-in blade type connector makes a weak connection which is prone to the cord slipping out and arcing. My shop (and generators, etc) is fully outfitted with twist-locks.
logdog wrote: It threw me for a loop because the 220 outlets I am familiar with all have big housings and look something like this.
That's a 30A. Your original post is a 20A.
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