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Old 07-09-2012, 10:50 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!

Thanks,
greg

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Old 07-09-2012, 10:56 AM   #2
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Subpanel question


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.

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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, 11:44 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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