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Old 2nd August 2009, 02:19 AM   #1
phrarod is offline phrarod  United States
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Default Trans wires in parallel or series?

This is a dumb wiring question. I'm wiring this transformer for 120VAC US power.

Do I twist the wires with the dot together (red/grn)which would go to line and the other two (yellow/org) together for neutral?
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Old 2nd August 2009, 02:24 AM   #2
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You got it.
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Old 2nd August 2009, 09:14 PM   #3
phrarod is offline phrarod  United States
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Thanks for the help!

Here's hoping for no smoke.
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Old 2nd August 2009, 09:28 PM   #4
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Quote:
Originally posted by phrarod
Thanks for the help!

Here's hoping for no smoke.

Holy smoke Batman !
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Old 3rd August 2009, 02:48 AM   #5
phrarod is offline phrarod  United States
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One last question - on the secondary the HV has three wires. 2 red and a yellow. The input to the power supply has two solder pads. Is the yellow center tap to ground?

I measured continuity between the two red one by one and the yellow and the resistance is the same. So yellow to ground?
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Old 3rd August 2009, 03:49 AM   #6
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The answer will depend on exactly what you are connecting it to, which you haven't said. Your thinking is correct if it is a standard full wave circuit. The CT is the ground return.
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Old 3rd August 2009, 11:36 PM   #7
phrarod is offline phrarod  United States
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Its for a regulated tube power supply. The yellow was the tap and I grounded it. All is good. Now I have to sort out something else.
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