I worked for multiple gas/electric utilities for over 30 years and the best surge protection to have is outside the house at the meter. If you get a surge protector installed in your electrical box, you already went thru the meter thru your buss and then your surge protector will control it.
I’ve had these units installed by the utility company in my last 8 houses for over 40 years. The utility company offers insurance against damage. You are susceptible to incoming surges thru your copper cables for your Ethernet but if you have fiber, you’re ok.
Electric companies want you to use them because that’s where they make their money. If you use these electricians surge devices and they go bad, you have to rehire them to put a new 1 in plus the cost of the surge device. Whereas, if the utility surge protector goes bad, it’s on a lease and they will come out and replace it for no charge (check with your utility on that).
I had a neighbor that had multiple appliances (all with the newer technology for touch buttons/glass touch panels) that went bad multiple times because of surges which happened every week. I told him to get the utility surge protector at the meter and never had another issue in the following 2 years we were there.
I’ll pay the utility $6 a month for its surge devices forever for this protection
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