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Old 11-22-2011, 08:52 AM   #1
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Romex conecter question

Can you run 2 pieces of 12/2 romex through 3/8 metal clamp type romex connector with a lock nut. I want to mount three outdoor light in series using the exterior mounted weather proof round boxes and there is only one 1/2 inch threaded opening in the back. I want to take the lock nut off and just screw it in the back of the box. I am putting these on the side wall of my pole building and want to run the wire in the interior wall. I want to know if it will meet code. Any help is appreciated.

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Old 11-22-2011, 08:54 AM   #2
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Romex conecter question

Many of those connectors can secure two cables in certain size ranges. You need to check the package to make sure.

Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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Old 11-22-2011, 11:33 PM   #3
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Romex conecter question

I looked already and it does not say anything about it on the package.
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Old 11-22-2011, 11:56 PM   #4
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Romex conecter question

It should have a rating some where. Might have to look the model up online. That being said, I wouldn't hesitate to put 2 flat cables in one connector
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Old 11-23-2011, 03:06 PM   #5
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Romex conecter question

I'm not sure if it's up to code as i've been out of the business for about 5 years but that's how we would hook up four square boxes with no problem.

Another option would be to use a hole saw and make a larger hole to support a larger cable clamp, then you would use the locknut to hold it in place.

Is this being inspected?

Any reason why you are using 12ga wire? Why not 14?
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Old 11-25-2011, 12:39 AM   #6
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Romex conecter question

Yes I am getting this inspected. I can use 14/2 but have been mostly using 12/2 throughout the building. I noticed there are 2 cables going through Romex connectors in my service panel and it was inspected when the house was built 14 years ago.

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