Is it legal....

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  #1  
Old 12-17-02, 02:37 PM
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Is it legal....

...to pull phone wire and a 120V cable through the same hole in a wall header in the attic?
 
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Old 12-17-02, 02:47 PM
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It might be legal, but it's a bad idea. It should be pretty simple to drill another hole, at least 6" away.
 
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Old 12-17-02, 04:14 PM
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Drill the extra hole. In addition to the current that flows THROUGH the 120 volt cable, an electromagnetic field surrounds the cable.

Then, like an antennae, your phone cable will "pick up" this magnetic field and could introduce noise/static in your phone line.

If possible, always run low voltage wires (phone, Cat 5 networking cable, speaker wire) a distance from line voltage wires. I like to use 18" as a guide. And if you must cross one with the other, try to do it at a 90 degree angle. At this angle, the field strength should be nil.
 
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Old 12-17-02, 08:00 PM
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The reason I started it that way (and yes, I did finish it that way) was because I only wanted to fish down the wall once. It's an interior insulated wall, and getting it all in one shot was pretty high on the priority list while up there in the dirty attic.

I also noticed that the existing wiring was done this way, so I assumed it was legal.

I agree, however, that "legal" and "good idea" are not the same thing.
 
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Old 12-18-02, 06:26 AM
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RickJ6956
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You'll probably experience problems if you hook up a computer modem to that phone drop. I did, and the only solution was to move the phone cable.
 
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Old 12-20-02, 04:19 AM
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quick and easy is uaually neither...

Quick and easy is usually neither in the long run. And can get much more expensive in the long run.
 
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