Use 2 toroidals back to back as isolation transformer?

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I have 2 huge toroidals lying around:
120Vac twin primary,
530VA,
2x 40V secondary windings
Can I connect these 2 toroidals back to back (connect 2 toroidals' secondary together) and use the two primary windings as the input and output of an isolation translation?
Is this a good idea? or not worth the effort?
Thx
PW

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Topic - Use 2 toroidals back to back as isolation transformer? - PW 12:52:10 04/22/01 (3)

Regulation - djk 06:50:03 04/23/01 (0)

Re: Use 2 toroidals back to back as isolation transformer? - adnut 22:12:36 04/22/01 (0)

Re: Use 2 toroidals back to back as isolation transformer? - john curl 16:54:46 04/22/01 (0)

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