Re: Lightning - funny how we're not seeing him any more



Leythos wrote:

Now, before you rant off again, explain how devices connected to the same
electrical outlet, not on a UPS are damaged and those connected to the UPS
on the same outlet remained undamaged?


Easily explained - while consuming less bandwidth than w_tom will :-)

Lightning *always* takes the 'easiest' path to ground. You have observed cases where a UPS presented a 'harder' path, so the surge went through the 'unprotected' equipment.

w_tom is right - if you have a perfect grounding system, you have no need for additional protection. And you are right - in the real world of imperfect grounding systems, a UPS will often cause the surge to take another path, but not always, and if everything is on a UPS...

Triffid
.

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