[TZ] 3 phase power

[Mike McCarthy]

Welll....

277 is the hot/neutral wye version of 480.  This is used extensively in
large office buildings and commercial applications where the lighting
panel controls 500 or more fixtures.

Yes, putting 277 on a 120 ballast will certainly cause a show.

MM

> Thanks for all the responses to this - very informative and yes, the
> Hubble
> website has more info about things than I could ever possibly want to know
> about.
>
> Dare I ask about 277 volt lighting circuits?  I wasn't there at the time,
> but an "electrician" once put a 120 volt florescent light fixture on a 277
> volt circuit and when switched on apparently made for an interesting show
> J