Awl --

On the main breaker box, for the whole house.

First Q: Is surge protection strictly lightning-related?

Holmes on Homes was emphasizing this, saying $500 wasn't much for the
protection it affords.
$500?????????????? Holy ****.....

Isn't surge protection just some capacitors?? Connected to where? Each hot
to ground? Between hots? Values?
I have a ton of run/start caps, 20 to 100 uF, 370 V.

If you have surge protection on the mains, do you then need those itty-bitty
surge protectors fer yer pyooters?

Also, sometimes equipment will have an iron-like ring around a wire -- I
think in power supplies, mebbe surge protectors.
What is that ring doing? And which wires go thru it? Hot? Hot+return?
--
EA