If you bond to a metal pipe, ground will conduct through the water regardless if a segment is plastic. In a pinch only- not to code. If the UPS doesn't error on another outlet then it is probably ok but a quick voltage check on the outlet wouldn't hurt. On Fri, Jan 4, 2013 at 11:15 AM, Michael Moore <stuporglue at gmail.com> wrote: > On Fri, Jan 4, 2013 at 10:58 AM, David Nelsen > <david.nelsen at slingshot-hci.com> wrote: > > Check the bathroom or kitchen- If there is a GFI in either location it > > should be grounded. A bathroom water supply pipe will work in a pinch > too. > > Use the cold. > > If you do this test to make sure the cold is actually grounded. My > grandpa had been using cold as ground and then fixed a pipe segment > with PVC. Everyone was getting shocks on the faucets until he realized > what he'd done. > > -- > Michael > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.mn-linux.org/pipermail/tclug-list/attachments/20130104/7c9a7d10/attachment.html>