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Old 10-04-2011, 09:50 PM   #1
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Running cable to a detached garage

I was wondering the right way to run television cable from my house to my detached garage. Please help.


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Old 10-04-2011, 10:24 PM   #2
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Running cable to a detached garage




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Old 10-04-2011, 10:49 PM   #3
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Running cable to a detached garage

You can run it overhead or underground. TV cable is low voltage so its installation is not as restricted as line voltage lines (over 70 volts).

On residential property exposed overhead runs should be at least 12' high (at the lowest sag) where vehicles travel or no lower than 10' at pedestrian areas (local codes may vary). Tie it to strain reliefs at the wall/roof and enter the building with a sag to prevent rainwater from running along the wire to the wall penetration. Use cable rated for exterior exposure. If the span is more than 20' a reinforced coax may be needed to prevent stretching.

Underground should be run in a 3/4" watertight PVC conduit with long sweep bends. Bury at least 12" below grade (check your local codes for greater depth). Turn the conduit up well above grade at the ends and waterproof/bugproof the cable exits.

In either case, minimize or eliminate splitters, splices, or other connections outside.

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Old 10-05-2011, 07:17 AM   #4
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Running cable to a detached garage

Any conduit underground will get water into it. Flooded RG6 is the cable type needed for underground.
Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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