Re: Reliability of Networking Hardware?

Leythos wrote:
I stand by the FACT that a quality UPS will protect devices downstream
while other devices upstream are damaged - I've seen it in several cases
in many places across the US.

A 'fact' that the UPS manufacturer even does not claim in numerical
specifications.

A 'fact' that ignores a wire that will carry destructive transients
completely around - bypass - the UPS and into the appliance.

A 'fact' that ignores that most plug-in UPSes connect an appliance
directly to AC mains when not in battery backup mode.

A 'fact' that is not supported by numbers or hardware circuitry.
Your appliances that were not damaged were protected by internal
appliance protection and how they were connected to earth ground.
Effective appliance protection means properly earthed secondary
protection at a building's service entrance and properly earthed
primary protection on utility lines. Effective protection so that
internal appliance protection is not overwhelmed.

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