[turnpike boy]

If it is a single phase circuit, yes. I don't think I've seen too many 480v. single phase runs.

That said, you can always check voltage of one hot leg to the grounded and see what's there....if acceptable, you could use one hot and the neutral as a lower voltage single ph. circuit, but you should put each hot run on a separate breaker or disconnect. And be certain to safe off the unused hot leg.