I have a transformer that is rather unusual. My issue is I have no Idea what wire does what. It is a 6 wire transformer. On one side we have one white and one back. On the other side we have one white, one, black, two red. Its rather strange as I said. I search online and I am seeing something close to the term "Double Primary Winding" what ever that means. I am trying to see how far I can step up 9v too. Just an experiment.
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1\$\begingroup\$ Many transformers have multiple secondary windings so a 6 wire transformer is not unusual. Your transformer could also have a double primary winding so as to be usable for both 120 and 240 volt applications. Since color coding of wires on transformers is far from standardized, you will need either a schematic or have to make voltage and continuity measurements to determine its functions. \$\endgroup\$– BarryCommented May 22, 2016 at 3:20
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\$\begingroup\$ The Transformer is from a Battery Backup (12v DC to 120 AC) \$\endgroup\$– Display WordCommented May 22, 2016 at 3:23
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\$\begingroup\$ The Label Prints as followed, 430-0168 CLASS 130(B) Z150M LEI-4 E154512 2/17 \$\endgroup\$– Display WordCommented May 22, 2016 at 3:23
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\$\begingroup\$ It is quite unlikely that you can identify the transformer from the label as it is probably a "house number" (private) for a custom OEM part. The only reliable way of documenting the transformer is to reverse-engineer the circuit. It is unclear what you mean by "how far I can step up 9V" means in a "Battery Backup (12v DC to 120 AC)"??? \$\endgroup\$– Richard CrowleyCommented May 22, 2016 at 3:52
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This is purely a guess, but I suspect that you've got a transformer which is intended to allow connection to either 120 or 240 VAC. The two black/white pairs are separate primaries, and the red is the secondary. Connection looks like
simulate this circuit – Schematic created using CircuitLab
answered May 22, 2016 at 5:18