Query: 3 phase voltage readings

Thread Starter


Joined May 23, 2016
More details needed.
What reading do you get?
How is everything wired?
Where are you measuring?
Phase to phase 120V & above, Neutral to Grounding 120 & above
Every wires were properly terminated'
Is it normal when UPS turn OFF and still getting voltage?


Joined Jun 4, 2014
So let me guess how this is connected.
Three phase supply (120V ?) connected to the UPS
Output from the UPS connected to what? Nothing?
Voltmeter connected to UPS output.
What make/model is the UPS and is it online or offline configuration?