I need to create an isolation transformer so I can float a Device Under Test (DUT).
The parts I have to do so are two transformers: 120V primary / 6.3V-0-6.3V secondary @ 3A.
I intend to connect the secondaries together to create an (essentially) 1:1 isolation transformer with 120V output.
My question is: do I connect the center taps?
My understanding is that with the center taps connected, the voltages reference them as neutral - essentially creating -6.3V and +6.3V (180 degrees out of phase).
Without the center taps, 12.6V would be the voltage across the remaining two (secondary) leads - right?