Quote Originally Posted by Welshjim
[B]HAN[/B

My comments here and in earlier posts assume that your UPS includes a surge protector. I think that is almost a given today, but in earlier UPS units it may not be the case.

If you walk down the aisles and take careful note, there are a lot of UPS units that DO NOT have a surge protector " per se" in them even though they do help smooth the the electricity.
Quite a bit of difference the clamping in a UPS and the surge protector sold in stores. Also real hard to explain the difference also.