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deestar
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1st Reply

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10 Messages

Mon, Apr 19, 2021 5:25 PM

Unused Coax Cables

Hi. I have two TVs that are no longer connected to cable. If the coax cables are not capped will they cause interference on my other TVs that are connected to cable?

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Official Employee

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178 Messages

1 m ago

That is a fantastic question! Those unused coaxial lines won't cause any type of interference with your services. I have several outlets in my home that are active but not in use at all. :) We appreciate your time in posting to our Xfinity forums and if you do experience any service issues our team of experts are here 24/7 to assist. 

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EG

Expert

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86.7K Messages

1 m ago

Noise ingress is always a possibility. Everyone's individual environment is different. Unused outlets should always be capped with a 75-ohm terminator such as these;

https://www.amazon.com/Type-75-Ohm-Terminator-Pack/dp/B000AAN76Y

I am not a Comcast Employee.
I am a Customer Expert volunteering my time to help other customers here in the Forums.
We ask that you post publicly so people with similar questions may benefit from the conversation.
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