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Google WIFI back-feeding electricity

Cput41
Community Member

‎06-01-2025 07:14 AM

Hello, My internet provider came out for poor service. Internet was slow and dropping regularly. When the technician came out he said my Google WIFI devices were putting off and electrical charge that was also back feeding into the cable modem cause a disruption and services to be bad. Any ideas?

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AndersC
Community Specialist
Community Specialist

‎06-09-2025 07:59 PM - edited ‎06-11-2025 10:22 AM

Hi @Cput41,

 

Thank you for posting in the community. I understand you've been experiencing slow and dropping internet service, and your internet provider's technician suggested that your Google Wifi devices might be emitting an "electrical charge" that is interfering with your cable modem. This sounds like a very unusual and concerning diagnosis. I'm happy to assist you.

To help me understand what might be happening and provide you with the best troubleshooting steps, please provide the information requested below:

  • What exact model of Google Wifi devices do you have (e.g., Google Wifi, Nest Wifi, or Google Nest Wifi Pro)?
  • Did the ISP technician perform any specific tests or show you any readings that indicated this "electrical charge" or "back-feeding"? Was any physical damage or unusual heating observed on the modem or Google Wifi devices?
  • Have you tried connecting a computer directly to your ISP's modem (bypassing the Google Wifi) to see if the internet service is stable and fast without the Google Wifi in the setup? This could help confirm if the issue is with the modem/ISP line or related to your internal network.
  • Is your modem a standalone modem, or is it a modem/router combo unit that also broadcasts its own Wi-Fi network?

It's important to clarify that Google Wifi devices are not designed to emit electrical charges that back-feed into your cable modem.

Your modem sends and receives data as electrical signals – essentially, precise changes in voltage that represent the digital information (packets). When these packets travel between your modem and your Google Wifi router (and vice versa), they are converted into electrical signals by the modem and then back into an Ethernet signal by the router. The router then receives these electrical signals and transforms them back into digital signals that your network devices can understand. This is standard operation for all network equipment and does not involve harmful "electrical charges" back-feeding.

Please keep me posted. I'll be waiting for your response.

 

Regards,

Anders

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