Audiophile Surge Suppressor (and nothing else)

check out Tripp Lite isobar has only noise canceling 

I second Trpplite. I've used their surge suppressors for years, after a whole-house unit at the breaker box. Make sure to follow through on your excellent idea of metal boxes, because T sells both metal and plastic.

ALL electronics in my house are protected by Tripplite or an isolation transformer. Tens of thousands of $ protected by some hundreds of $. Makes sense to me.

@zlone call Jason at the cable company. Ask about the wireworld matrix 2 power strip. 

Brick wall  , they used to be class B in stereophile recommended components.

Audience Forte V-8

also unplug your equipment in a bad 

lightning storm 

Good luck Willy-T