Help with a Western Electric Rectifier Please

YES- It is a DC output power supply. The output(secondary) of the transformer is changed via the taps. I'm guessing those are instructions on the door? That KS-5663-L7 is the model number. You might try contacting WE with that model number for possible further info: (http://www.westernelectric.com/contact.html)

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I'm certain there are many in "here" that know what a "rectifier" is. However: What you have described is NOT. A rectifier(either full or half wave) will either be comprised of a Selenium or copper oxide stack, diode bridge or tube that converts AC to DC voltage. A transformer and capacitor in a box would constitute(possibly) part of a power supply. Had you included a part number, or some identifying information- you may have received a reply from someone familiar with WE parts. It sounds like an outboard power supply for testing of some nature, especially considering the red and black wires.

If no one here knows what a rectifier is, what board should I try?