ECN Forum Forums General Topics of the Trade General Discussion Area How to get this to work?

Offhand, I wouldn't count on finding 277V on a rooftop. Outdoor commercial/institutional unit-packaged HVAC gear doesn’t usually require a neutral, and it may even be missing in feeders to roof- or upper-floor-located panelboards solely for powering mechanical equipment.




[This message has been edited by Bjarney (edited 09-15-2003).]