this post was submitted on 25 Jan 2025
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If you do this be sure to either disconnect the coax going to the outside world if not in use or put a filter on the outside line so that you're not feeding out to all your neighbors.
good call, I was under the understanding the unused line would be isolated/not external, but yea some companies get lazy and never disconnect and just turn the service off on their side. This wouldn't be a problem with Antenna setups but a cable setup defo check that!
At least with my house, all the coax comes out to a central location outside where they connect to a splitter that then connects to the incoming feed from the cable company. If you don't have cable or broadband internet, you can just disconnect the external feed to bypass this issue. Apart from initial installation or a service call, they're unlikely to ever touch this again as they don't need to physically come out to cut your service on their end even though your coax is still connected physically.