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On Tue, 13 May 2014 06:32:39 -0500, Pete Keillor
wrote:

On Mon, 12 May 2014 10:26:59 -0400, Tom Gardner Mars@Tacks wrote:

On 5/12/2014 9:25 AM, Bob Engelhardt wrote:
I have a copy of the NEC, but I know that I NEVER find the answer
there.
RCM, on the other hand, is sure to have it.

Can I run a 240v receptacle and a 120v one off the same breaker?
Sized
appropriately, of course. Say a 2-pole 20A breaker, 3-wire 12ga
cable,
and 20A receptacles, like this:

P1 ________________
|___
N ........... 240v receptacle
. ____
P2 ________________|
| .
| ........
|__________ 120v receptacle


It looks OK to me, but one never knows what esoteric
considerations the
NEC might make.

Thanks,
Bob


I've done it but we never use both outlets at the same time for
high
current demand. If you need both to supply high current at the
same
time, do it differently.

I've done the same often in R&D, especially on a 240V powered cart
where I might want to use a drill motor or grinder. Which doesn't
happen while the 240V is in use. A welding cart could be similar.

Pete Keillor
I've seen workbenches plugged into 240 volt welder plug with a small
sub-panel to "fuse" the 110 outlets as well as the 220 20 amp outlet
for the table saw/jointer/RAS etc.

240V electric stoves have 120V outlets.

I know Mass doesn't allow you to do your own plumbing, and thought DIY
wiring was also prohibited. They once considered a bill to sell lumber
only to contractors. Most of the pickup trucks in southern NH Home
Depot and Lowes parking lots have Mass plates.

jsw