How's this for a cable ground ......

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brantmacga

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Former Child
Stopped by the house I've been working on for my buddy today; Dish sent a subcontractor out to install the satellite dish. The intersystem grounding bar is 18" away from the cable grounding block, and I thought it was odd that the bonding wire went straight into the dirt. Pulled it up and found this ......

0d50f127e8640da75420999224cf3ec7.jpg


That's a new one for me. Flat washer wrapped around the wire buried in the ground. Sent this pic to my friend at the local dish warehouse. Going straight to QC.


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Maybe the installer is also the guy who wraps foil around the rabbit ear antennas for better recption. Figured he'd get better reception with any extra metal he could find. Ha. Nice find.
 
Whats the orange wiring going down into the dirt?
What is sad is the comm installers don't realize how critical the intersystem bond is. Mike Holt had a similar installation and he lost thousands in electronic equipment, until the bonding/grounding was done correctly (he lives in central Florida)
 
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What is sad is the comm installers don't realize how critical the intersystem bond is. Mike Holt had a similar installation and he lost thousands in electronic equipment, until the bonding/grounding was done correctly (he lives in central Florida)

Same happened to a family member .... she called me and said over the course of a couple of years she had several TV's and electronics fried.

Found the cable installer had set his own 24" ground rod about 4' away from the service ground rod. The connection on the rod for the service had come loose, and the house was grounding through her coax.


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Same happened to a family member .... she called me and said over the course of a couple of years she had several TV's and electronics fried.

Found the cable installer had set his own 24" ground rod about 4' away from the service ground rod. The connection on the rod for the service had come loose, and the house was grounding through her coax.


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One of the reasons I do not believe in bonding/grounding the CATV to the service. Lose the service neutral and the CATV braid tries and fails miserably to act like the neutral. I do it because it's required, but it's still a terrible idea. I've never seen an older home with wiped electronics via a cable fault where the original cable install was not bonded to the service. Hundred of thousands of homes here in the mid 80s had a 5' rod driven at the cable demarc with a 14ga wire run to it, done. I would like to know the code cycle and substantiation for bonding CATV to a home's GES (not asking you to find it tho).
 
...... I would like to know the code cycle and substantiation for bonding CATV to a home's GES (not asking you to find it tho).

It's so everything is at the same potential, and the cable doesn't end up as your GEC.



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