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Adding a subpanel
#2442075
03/22/18 08:12 PM
03/22/18 08:12 PM
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Joined: Jan 2005
Posts: 14,261 Hoover
Fattyfireplug
OP
Booner
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OP
Booner
Joined: Jan 2005
Posts: 14,261
Hoover
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Trying to think this through.
I've currently not got enough power in my basement garage/shop. Pop breakers constantly with the 15A circuits.
In my basement I have a 200A Square D panel box that is completely full.
I'm thinking of adding a 100amp Square D sub panel box next to it. It's in a finished den with no insulation in the walls. I'm gonna tear out the drywall and do all this while everything is exposed. I'm planning on moving all basement circuits from the 200A panel to the 100A panel to allow room for the new panel circuit.
I'm planning on two 30A circuits from the sub panel to the shop. One will be a 220v and one a 110v. I also plan on running at least one 15A or 20A circuit to the shop, just to have the extra power. I also plan on running at least one 15A or 20A circuit to the shop, just to have the extra power.
What else do you suggest? I don't want to revisit this project because I've not thought of something important.
Character is not developed in moments of temptation and trial. That is when it is intended to be used.
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Re: Adding a subpanel
[Re: Fattyfireplug]
#2442181
03/22/18 09:20 PM
03/22/18 09:20 PM
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Joined: Jan 2005
Posts: 14,261 Hoover
Fattyfireplug
OP
Booner
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OP
Booner
Joined: Jan 2005
Posts: 14,261
Hoover
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Don't have the power I need on existing circuits. No room on existing panel to expand.
Character is not developed in moments of temptation and trial. That is when it is intended to be used.
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Re: Adding a subpanel
[Re: Fattyfireplug]
#2442198
03/22/18 09:33 PM
03/22/18 09:33 PM
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Joined: Jun 2013
Posts: 2,991 Columbia, SC
CeeHawk37
10 point
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10 point
Joined: Jun 2013
Posts: 2,991
Columbia, SC
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That first question Dixie asked is the important one to answer. If you could simply upgrade to a larger load center then that may save you some labor. How many circuits does the existing load center have?
Last edited by CeeHawk37; 03/22/18 09:34 PM.
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Re: Adding a subpanel
[Re: toothdoc]
#2442285
03/23/18 02:07 AM
03/23/18 02:07 AM
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Joined: Oct 2008
Posts: 30,910 Clanton, AL
Out back
Grumpy Old Man
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Grumpy Old Man
Joined: Oct 2008
Posts: 30,910
Clanton, AL
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Why don't you just get a bigger panel? Don't quit your dentist job.
My opinions and comments are my own. They do not reflect the position or political opinions of Aldeer or any of the Aldeer administration.
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Re: Adding a subpanel
[Re: Irishguy]
#2442318
03/23/18 06:08 AM
03/23/18 06:08 AM
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Joined: Oct 2001
Posts: 3,378 Centreville
weatherby
10 point
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10 point
Joined: Oct 2001
Posts: 3,378
Centreville
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Just remember to use the appropriate wire for the 15A (14-2) and the 20A (12-2) circuits.
And in the sub panel (Unlike the main panel) the neutral and ground bus bars must be kept separate. Irish Guy hit the nail on the head. I had to do the same thing last year for the very same reason. Added in 100A Sub and all is well. Biggest PIA is the heavy gauge wire running from your 200 to your 100A Sub. It's like trying to bend and maneuver re-bar. Plenty of you-tube videos that will show you how to do it properly and up to code.
If Caitlyn Jenner can keep his wiener and be considered a woman, I can keep my guns and be considered disarmed!
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Re: Adding a subpanel
[Re: Fattyfireplug]
#2442328
03/23/18 06:49 AM
03/23/18 06:49 AM
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Joined: Sep 2015
Posts: 5,241 Behind your shadow
Reloader79
Bitch Peas, I'm a Kitty Whisperer
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Bitch Peas, I'm a Kitty Whisperer
Joined: Sep 2015
Posts: 5,241
Behind your shadow
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Sounds like you need to hire an electrician.
If I agreed with you, we'd both be wrong.
Bluetick serpentines around green fields and rock spit a lease
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Re: Adding a subpanel
[Re: Fattyfireplug]
#2442342
03/23/18 07:21 AM
03/23/18 07:21 AM
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Joined: Aug 2013
Posts: 3,245 louisiana
deerman24
10 point
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10 point
Joined: Aug 2013
Posts: 3,245
louisiana
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square d makes what is called a piggy back breaker. 2 breakers that is the same size as 1 regular breaker. IF you really want to waste money on another panel you will need a 100 amp lug only panel. Install a 100 amp breaker in the existing panel and run #1 or #2 copper wire to the new panel. That will leave you with 2 circuits in the old panel that would have to be rerouted to the new panel. Cheapest way is to go buy yourself a few piggyback breakers.
Last edited by deerman24; 03/23/18 07:41 AM.
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Re: Adding a subpanel
[Re: deerman24]
#2442771
03/23/18 03:30 PM
03/23/18 03:30 PM
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Joined: Jan 2005
Posts: 14,261 Hoover
Fattyfireplug
OP
Booner
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OP
Booner
Joined: Jan 2005
Posts: 14,261
Hoover
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This box is already half full of these. I'm going to have to move some of these over to the new sub panel in order to make room in the main panel to even run a sub panel. square d makes what is called a piggy back breaker. 2 breakers that is the same size as 1 regular breaker. IF you really want to waste money on another panel you will need a 100 amp lug only panel. Install a 100 amp breaker in the existing panel and run #1 or #2 copper wire to the new panel. That will leave you with 2 circuits in the old panel that would have to be rerouted to the new panel. Cheapest way is to go buy yourself a few piggyback breakers.
Character is not developed in moments of temptation and trial. That is when it is intended to be used.
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Re: Adding a subpanel
[Re: Fattyfireplug]
#2442843
03/23/18 04:55 PM
03/23/18 04:55 PM
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Joined: Oct 2009
Posts: 5,669 Henry county
coldtrail
12 point
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12 point
Joined: Oct 2009
Posts: 5,669
Henry county
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I wouldn't run any 15 amp circuits. I would only run 20 amp.
I bet you wouldn't have a problem if you didn't have the 15's.
"And the days that I keep my gratitude Higher than my expectations Well, I have really good days" Ray Wylie Hubbard
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