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Old 06-30-2011, 02:22 PM   #1
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loose Romex into plastic conduit box


i have loose Romex coming into a plastic conduit box (6x6x4, in which i have to drill my own holes, no knockouts). the other side is coming into the box with a conduit, since it is outdoor but i was wondering how to connect the regular loose romex to the drilled hole in a box like that since regular clamp connectors won't fit.

also, is it necessary to fasten the outdoor wire coming through the conduit to the box via a locknut, i.e. something similar to a clamp connector in regular indoor applications, considering that it can still be pulled and ripped if it comes through a locknut only?

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Old 06-30-2011, 03:31 PM   #2
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loose Romex into plastic conduit box


Why won't regular NM clamps work? They are used all the time.

A cable sleeved in a conduit does not need to be secured to the box. It will be secured at the open end of the sleeve.

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Old 06-30-2011, 06:06 PM   #3
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loose Romex into plastic conduit box


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A cable sleeved in a conduit does not need to be secured to the box. It will be secured at the open end of the sleeve.
There is no "open end of the sleeve" -- the conduit runs from one box in the house to another in the shed. but both boxes have romex coming in on the other end. are you saying that the NM clamp connectors for romex on both ends will be securing the outdoor wire that runs through the conduit as well?

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Old 06-30-2011, 06:10 PM   #4
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loose Romex into plastic conduit box


So you have sleeved a cable in a complete conduit system between the house and the shed? What type of cable?

Type NM-B cannot be used outside, even if in a conduit.
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Old 06-30-2011, 09:27 PM   #5
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loose Romex into plastic conduit box


Use a push-in button type connector for the NM cables entering in from the back of the box:

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