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Old 04-02-2011, 11:40 PM   #1
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Install motion detection lights


Hey:

I have little experience wiring outdoors and need to know some basics. I want to install a weatherproof box under a soffit, run NM through the center (bottom) knockout and hang a motion light.

How do I clamp the cable as the box will be flush with the soffit?

Is an override switch necessary? Recommended?

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Old 04-03-2011, 08:53 AM   #2
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Install motion detection lights


You can not run NM outside.

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Old 04-03-2011, 09:18 AM   #3
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Install motion detection lights


You can bring NM from inside, through a hole, then DIRECTLY into a box when it is protected. There is no problem with this....if you dont feel good about it, then sleeve it in pvc.......

To answer your question, just use a threaded NM connector, secure it to the box then put it up against the soffit.......
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Old 04-03-2011, 09:48 AM   #4
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Install motion detection lights


Quote:
Originally Posted by LyonsElecSupply View Post
You can bring NM from inside, through a hole, then DIRECTLY into a box when it is protected. There is no problem with this....if you dont feel good about it, then sleeve it in pvc.......

To answer your question, just use a threaded NM connector, secure it to the box then put it up against the soffit.......
I'm fine with NM directly into box which was my intent, but would the NM coonector lay flush between the box and trim?

Thanks ,
Ed
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Old 04-03-2011, 02:59 PM   #5
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Install motion detection lights


When you say bottom of the box are you talking about the knockout in the back of the box? If you need to use the back knockout then you will need to make the hole big enough to recess the cable clamp.
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Old 04-03-2011, 06:51 PM   #6
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Install motion detection lights


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Originally Posted by teamo View Post
When you say bottom of the box are you talking about the knockout in the back of the box? If you need to use the back knockout then you will need to make the hole big enough to recess the cable clamp.

Yes, that's what I was thinking. Drill a big whole? I guess I could do that. I wasn't sure if there was something else I wasn't familiar with.

Thanks you

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