Adding a sub panel

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My garage has a four-slot (or 2x 220) subpanel I got for $13 or so at HD or Lowes. Forget which, but it takes Siemens breakers, which are cheap and available everywhere. It's perfect for my needs as I have 1x 220 welder outlet and a couple 110s for regular lights & outlets.

Read the box for your prospective box and see what it does for breakers. The only reason to match your main panel is if you like having spare breakers around for whatever reason. Also take note if you'll have to buy another ground/ neutral bar; it'll probably have one, and you'll probably need two, separated.
 
Originally Posted By: eljefino
My garage has a four-slot (or 2x 220) subpanel I got for $13 or so at HD or Lowes. Forget which, but it takes Siemens breakers, which are cheap and available everywhere. It's perfect for my needs as I have 1x 220 welder outlet and a couple 110s for regular lights & outlets.

Read the box for your prospective box and see what it does for breakers. The only reason to match your main panel is if you like having spare breakers around for whatever reason. Also take note if you'll have to buy another ground/ neutral bar; it'll probably have one, and you'll probably need two, separated.


Thanks.
 
As mentioned, sub panels are cheap, some have a "package" which include a few breakers. I would use the same breakers in the new panel as the panel manufacturer. The sub panel does not need a main, but remember to count up the spaces, they go fast with 220V breakers. Always have some extra beyond your current needs.

Where is the sub panel going, next to the current one? I would suggest a 100 amp sub panel. You will need space for a 100 amp breaker in the main panel.

The sub panel needs to be wired with 4 conductor wire, the neutral and ground must be split and the ground bonded to the panel. Typically aluminum wire (with some non corrosive stuff) on the bare wires where they are connected.
 
Yeah I've gotta ask, what is your goal here and will you run both the dryer and the new mystery appliance at the same time?

If you're going to run a newer thicker sub-main feed for the subpanel, you could run a second feed for the second outlet.
 
Its pretty straightforward, you just need to ensure youre handling bonding of the neutral and ground correctly.

Im partial to Square D QO and Eaton Cutler-Hammer products myself.

Need to ensure that the line protection is correct and that the conductors can handle your potential loads.
 
Thank you all for your help.

The install was quite easy, not a big deal with all the information available to the DIY-er.
 
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