In comp.dcom.lans.ethernet w_tom wrote in part:
So many who recommend a UPS niether know how electricity works nor
realize that most all UPSes connect directly to AC mains via a relay.

You overstate your case. Both "Standby" and "power conditioning"
UPSes are readily abailable in the smaller sizes:

http://www.apcmedia.com/salestools/S...NM3Y_R5_EN.pdf

-- Robert