Well, seeing as that most pad mounted transformers use mineral oil as a heat transfer agent (in applications up to and exceeding 230kv), I don't suspect it is of issue.
However, we've all seen nice transformer fires. > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > Justin Shore > Sent: Tuesday, March 25, 2008 10:20 AM > To: Dorn Hetzel > Cc: nanog list > Subject: Re: rack power question > > > Dorn Hetzel wrote: > > Of course, my chemistry is a little rusty, so I'm not sure about the > > prospects for a non-toxic, non-flammable, non-conductive substance > with > > workable fluid flow and heat transfer properties :) > > Mineral oil? I'm not sure about the non-flammable part though. Not all > oils burn but I'm not sure if mineral oil is one of them. It is used > for immersion cooling though. > > Justin