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Old 07-09-2012, 09:50 AM   #1
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Subpanel question

Hello all, Another newbie here. I had an old 50A hottub circuit that we don't use anymore so I decided to convert it to a subpanel so I could easily add a few 120V outlets we need in our basement and office area.
I have never done any 220V wiring before, but have done much research here and believe I understand everything.
Still, I thought I should post a photo of my setup and get comments before connecting my breakers.
I am using a Square D 70A QO load center. The neutral is not bonded. I added the ground bar as it did not come with the box. I will be installing 4 - 15A circuits.(2 - QOT1515 breakers). Two of these circuits will see minimal, if any use. I made sure all screws are very tight.
Does this look acceptable?

I found this board a few weeks ago while researching this project and it is a great help!



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Old 07-09-2012, 09:56 AM   #2
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You made the connections in the correct places. My issue would be when you said the screws are very tight. Very tight might mean too tight and might cause a conductor failure or a hot spot.


Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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Old 07-09-2012, 10:44 AM   #3
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Thanks for the reply Jim.

I appreciate your concern too.

They are a little more than just 'snug'.(My best quess at 40 in.lbs.)

I made sure not to crack any plastic or deform any connectors.

I sure don't want them too loose.
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