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Check with your electric utility and see if they'll install and maintain a surge arrestor at the meter with a small monthly charge and a connected equipment warranty. It's often the best way for a consumer to go.

And if you have critical or expensive equipment in the building, contact a local electrician for what works in your situation. He'll know what brands work and which ones stand behind their product.

Just a heads up - lightning goes through five miles of free air before it gets to your house (or office). Nothing will stop everything. Power company distribution systems will always have surges. Buildings will always lose neutrals. Best we can do is mitigate that window of event which current technology provides at the price we're willing to pay.
Our POCO is now installing a TVSS unit on the meter box for a one time charge of $58.00. A super deal if the manufacturer is a reputable one like Eaton or Square D. About 99% of the time a HO will think this will also serve as a lightning arrester.... NOT!
 

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Premium Member
Working With the Tools
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Why have one when you can have two. Why have two when you can have 3.

Suppressors are a layered affect. I have dealt with the aftermath of many lightning strikes where the first few layers are toast yet we have managed to save the expensive plc equipment.
Same here.... cascading does work!
 
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