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  1. Commercial Electrical Forum
    I am trying to find out how to use a transformer to convert 1ph 208 no neutral to 1ph 240 with neutral.
  2. PLCs, VFDs, Motors and Controls
    I am installing a new compressor for a customer. His shop is 2-phase 5 wire (4 hot 1 neutral) but the new compressor is single phase. I mainly do commercial and light industrial work, but I have never come across 2 phase. Even though I sort of picked up on the basics I'm still unfamiliar with it...
  3. General Electrical Discussion
    How are LED tubes being used in underground parking that runs 347V, and LED tubes require 120V? Is there a converter being used? How does this work?
  4. Structured Wiring
    Hey people, I have an old Sony black & white TV which is not the same but similar to these photos.. I also have an RF converter box. I want to be able to play back video from an iPod or from a mac laptop and play it on this TV - is it possible? I'm not with at home right now but can post more...
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