warehouse lighting

[patrick24]

I have a contractor telling me that 208 single phase lighting is more efficient than 277 single phase is this really true

 

[LarryFine]

I have a contractor telling me that 208 single phase lighting is more efficient than 277 single phase is this really true

Other than lumens per watt, which is not dependent upon voltage (properly designed, of course), define "efficient".

Added: All other things being equal, higher voltage is considered more "efficient" in the voltage-drop discussion.

 

[quogueelectric]

Send him over

Send him over

I have a contractor telling me that 208 single phase lighting is more efficient than 277 single phase is this really true

So he can explain why. I cant wait

 

[mattsilkwood]

tell him 120 is even better