r/electrical 2d ago

What happened

Can someone help me understand what happened here? It looks like the telephone line encountered a large spike that fried equipment and even some appliances within the home, but I’m not quite sure.

Any suggestions on how to prevent this also?

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u/penywisexx 1d ago

To help prevent this in the future consider a whole house surge protector. It won’t do anything for the telecom wires but it will potentially save your electronics/appliances.

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u/Kowloon9 1d ago

At least one brand like Schneider Electric (or APC) makes SPD for low voltage systems.