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Author Topic: Undercoating  (Read 2215 times)
K3GHH
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Posts: 42




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« on: October 13, 2013, 06:18:03 PM »

To connect coax to a bumper mount, the center conductor and braided shield are separated and each soldered to a lug, with the center lug screwed to the base of the mount and the braid to a convenient nearby ground screw. Is it safe or advisable to spray this assembly with black rubberized undercoating? Is there a better way to protect those bare wires from corrosion?

--John K3GHH
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K1CJS
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« Reply #1 on: October 14, 2013, 05:11:09 AM »

As long as the mechanical connection isn't sprayed before it's made and tightened, It's OK to do that--just make sure the undercoating is NOT conductive before you do it!
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KG4RUL
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« Reply #2 on: October 14, 2013, 05:23:18 AM »

To add to that, make absolutely sure that you get complete coverage.  Any pinholes will allow moisture to get in which is then trapped.
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