Quote:
Originally Posted by JimC55
A friend brought me over to see they have a TV antenna mounted outside there home. Don't want to get into the way it looks thing but want to issue a warning. You must ground any outside TV antenna. Not doing so will open you up for damage to electronics in your house! Since many TV's are now connected to CAT-5 cabling in your house, a surge from a near by lightning strike can not only damage your TV but your internet connection and any other device connected to your TV. It is important to understand you don't have to be "hit" by a lightning strike to have damage. It could hit a nearby pond or tree and the outside antenna could pick up the discharged energy and cause lots of problems. I made sure he connected his antenna coax to a grounding block to offer some protection. Storm season is just a few weeks away.
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If antenna is in the attic, is it also important to ground?