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Reply by Derrick

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Posted on 220v options in my garage?

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Derrick

112 posts in 1699 days


#1 posted 09-07-2016 09:39 PM


Well, I decided to look into my panel a bit more. What would be nice, is if I could install a sub-panel just to the left of the main panel. Basically on the other side of the stud. That would be the shortest distance I could imagine, and it would still be in a convenient location in our garage. There are knockouts on the sides of the main panel, and they butt right up to the stud. I m sure there is some sort of regulation for running cable through a stud, but I m just wondering if I m way off base?

You can see the unused 50a that I m talking about. Would that breaker be suitable to power the sun-panel?

It sound like I may as well install a flush mount sub panel. Can I still bring the cable to the surface and run it externally through conduit?

Thanks to everyone who has commented so far!

- derrick3636
How old is your house???? And what is the brand of the panel/breakers? I ve opened a few panels of just about every conceivable brand before but I don t recognize this one. Looks like the “hots” coming off the old 50a breaker are “MIA” so depending on your service you might want to upgrade to a 100a subpanel (doubt you ll ever need it though given what you already described). I added 100a subpanel in my shop when I built the house (the trencher was here for the well and was sitting idle anyway so we put him to work to trench water and electric lines to the shop before the driveway went in). So far I have put 2 240v circuits in the shop (4 slots), used 2 slots for a 3/4” emt conduit run around the shop (2 duplex outlets per box, left side odd one breaker, right side off another). Used another slot for a GFCI outlet next to the entrance door. Used one slot for 15a lighting. Used one 20a slot to give basic power lines to the “cold side” of the shop. So in total I have 9 slots used, 11 ready and waiting.

- teejk02

The house was built in 1997. The panel is from Siemens: http://m.homedepot.com/p/Siemens-PL-Series-200-Amp-40-Space-40-Circuit-Main-Breaker-Indoor-Load-Center-P4040B1200CU/203027309?cm_mmc=Shopping%7CTHD%7CG%7C0%7CG-BASE-PLA-D27E-Electrical%7C&gclid=CJer_M-X_s4CFU1qfgodHt4LIg&gclsrc=aw.ds
I wasn’t here when they removed the hot tub, but it looks like they just removed the leads from the 50a, and the entire run all the way back to the tub itself. There’s an empty knockout in the bottom right hand corner of the panel that goes directly outside the skin of the house. I should probably fill that in…

Anyhow, I’m seeing “QP” type breakers in there. Does that help?

For my situation it would be awesome to have 2 220v outlets tied to maybe a 30a breaker, and then a handful of 120v outlets tied to a 20a. My garage is tiny, and it is just a place to store my tools. Everything is either mobile or in the process of becoming mobile. That means that it would be Mia benificial to have outlets close to the garage door, so when I bring everything outside, my outlets would be close by.

Am I way off base?


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