Uploaded June 2026 | Updated September 2026, 3 weeks ago

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Comcast drilled into our electrical conduit to mount their interface box to our home and they did not even ground the connector to the ground wire in their box. Drilling into electrical conduit is totally unacceptable and that installation person should be seriously reprimanded.

How to troubleshoot and isolate a hum in your audio/video system
youtu.be/7SHQK7UZ_Ig