Re: Lightning Arrestors vs Surge Suppressors
LPD one thing to remember. There is no such thing as a surge protector (TVSS) Or a lighnting arrestors that will give you total protection from a lightning hit. I studied Lightning @ U of gainsville back in 1978-82. and there is nothing short of a fairday cage that will give you total protection, And even then there would be no garantee. the most effective means is a set of air terminals that with the connecting GEC's running down to a ground ring or a grid around a structure with 40' raidals running away from the structure with 10' rods at 20' intervals. The site I posted explains this. Then a TVSS system as a finel last dich effort to lessen any voltage left over that might get into a structure. Yes it seems like alot but you get what you pay for.
A 40 or 50KA hit would just destroy a TVSS system that was hit directly. the object is to direct the strike to earth. TVSS systems are not design to do that. they are design to limit voltage spikes between a set of wires and or earth. Intercepting and routing to ground is always the first step! before even thinking about TVSS in true lightning protection.
Wayne A. From: N.W.Indiana
Be Fair, Be Safe
Just don't be fairly safe