That's three phase power. It's pretty common in non-residential environments. http://en.wikipedia.org/wiki/Three-phase_electric_power
Given that this is a carpet manufacturing, it is quite likely that when the weaving machines kick in there could be a large current draw at initial startup. I am not an electrician, but have been acquiring a set of stationary power tools for woodworking and have become more familiar the effect machinery has on electicity tansmission... I've also seen similar issues at a small-town newspaper that was next to a dairy operation. Daily, when some operation at the dairy started running, the newspaper's UPS systems would trip. That definitely was a utility issue which we were able to get them to resolve. On Tue, Sep 14, 2010 at 12:25 PM, Miller Bonnie L. < mille...@mukilteo.wednet.edu> wrote: > The only time I've seen the "site wiring fault" (and the wiring tested > okay) was in a brown-out situation. We had one school where they would > occasionally lose power in a strange way. I'm not an electrician, but it > was something about the way the power came into the building--it had 3 of > "something" and two were online while one would go offline. Some things in > the building would have power, some had none, and others had partial power. > Required the utility company to fix the problem. > > -----Original Message----- > From: John Aldrich [mailto:jaldr...@blueridgecarpet.com] > Sent: Tuesday, September 14, 2010 5:51 AM > To: NT System Admin Issues > Subject: Strange PowerChute errors > > I had to reinstall PowerChute (Business Edition Basic) on one of our > servers > yesterday because it went brain dead and couldn't see the UPS. I also > switched from USB to serial for the communications. > > I got a bunch of alternating messages from PowerChute overnight, one saying > self-test failed, and the next one would say the self-test completed > successfully. I also got errors about the site wiring, but when I look at > the local console on the server, it says it's fine. I'm not sure what to > make of it. Granted the UPS is over 3 years old, but the lights on the UPS > itself show the battery is in good condition and has plenty of run-time. > > How would you guys interpret the results? > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com > with the body: unsubscribe ntsysadmin > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com > with the body: unsubscribe ntsysadmin > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe ntsysadmin