Reply by Shawn Masterson

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Shawn Masterson

1325 posts in 2333 days

#1 posted 01-31-2017 01:56 AM

Converting a 2-car garage to a shop for wood projects. Mainly adding outlets for 110v. Considering if I should add a 220v outlet.
- PainterSells

Personally, if you are serious about new wiring, I would suggest:

  • A 4-gang 120v outlet every 6ft along walls (I did every 15ft and had to go back and add more)
  • A 240v outlet on at least two walls, and/or one overhead.
  • And yes, add a sub-panel as well.

I know, it sounds like a lot right now, but it sure beats having to come back and add later (like I did).

- HorizontalMike

Spot on mike. My shop is 26×28. After watching my shop grow (in 7 years), on my next one there will be way more 240v single and 3phz receipts (powered by my converter) in every wall. I currently have three on the east wall, 2 on the south, and 2 on the west. on the north wall with the overhead door there are 2 as well, one of them has my 10hp rotary phase converter. BY having 240v in the shop it opens up the possibilities of being able to buy the older machines. The phase converter was built/bought for my 20” planner, but sized to allow for pretty much anything I can see on the foreseeable future. I know OMG a 20” 3phz planer, but hey I have less than $900 invested including the phase converter, and now I have 3phz to power anything. Also I am a fan of having the outlets at least 50” from the floor to the bottom of the box. it allows clearance if you need to lean sheet goods against the wall. It’s easier to have it and not need it than to fish it later.

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