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Old 06-01-2020, 09:36 PM   #1
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Roof Coaxial Cable Damage

I have a Palomino Sabre 31 RETS-6 36 ft 5th wheel. The coaxial cable on my winegard antenna is deteriorated and the silver metal mesh that is under the cable is exposed. Can I just wrap the cable in electrical tape? Do I have to replace it? If so, how difficult is it to do?
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Old 06-01-2020, 09:59 PM   #2
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That is the ground showing. You can use good tape or Eternabond if you have it. You want to keep the moisture out.
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Old 06-01-2020, 10:35 PM   #3
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Use liquid electrical tape. You can get liquid electrical tape at auto parts stores, hardware stores, Amazon and Walmart in various colors and it seals water out where other tapes have problems.

https://www.amazon.com/dp/B0000AXNOD...ding=UTF8&th=1

Don't use Eternabond tape if the damage is where the cable needs to bend or flex while raising/lowering or rotating the antenna. It will be too bulky and stiff.
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Old 06-02-2020, 09:47 AM   #4
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Thanks for the suggestions guys!
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Old 06-02-2020, 12:33 PM   #5
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Heatshrink

Or better yet, heat shrink tubing.

If water gets in it will wick up the braid and rot it out.
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Old 06-02-2020, 04:39 PM   #6
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One question is WHY did the cable deteriorate? Is it the whole cable or just the section next to the roof? The reason I ask is on our fifth wheel the cable exits the roof from under a plastic cover with the cable coming out toward the front of the camper then looping back to the antenna. Wind from travel and/or tree branches were lifting the cable and bending it backwards during travel. This caused the outer jacket to break down right by the roof and the inner conductor shorted to the grounded braid. Found this last fall when resealing the roof. This summer I'm going to replace the cable and reroute it facing backwards.
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Old 06-02-2020, 05:29 PM   #7
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Cable

Cheap Chinese cable with a jacket that isn't UV tolerant. Any cable works inside, outside, unless UV resistant, it breaks down.
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Old 06-02-2020, 06:09 PM   #8
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Quote:
Originally Posted by RussPastuch View Post
Or better yet, heat shrink tubing.

If water gets in it will wick up the braid and rot it out.
Heat shrink tubing is not that good of a seal against water intrusion. It does not bind with the existing insulation. In OP's case, how is he going to get the heat shrink tubing over the cable without cutting the coax and installing a new f-connector?


FYI, I have used liquid electrical tape on spliced wires, then after it dries slipped on a piece of heat shrink. Doubles the insulation and protection of the splice.
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Old 06-02-2020, 06:17 PM   #9
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Heatshrink

If it's RG59, shrink will fit over the connector. You can get 3:1 if you have to.
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