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  1. Commercial Electrical Forum
    EE here, with residential electric experience, but limited 208v expertise. My residential building supplies 208v 3 phase -> 2 lines + Neutral to the residential panels. This is apparently quite common in mixed use hi-rises. All appliances are 208 compatible, but oven is severely underpowered at...
  2. General Electrical Discussion
    Hi everyone, The other day I was making a few measurements on a step-up autotransformer. The transformer is rated 208v/230v on the primary side and 460v/480v on the secondary side. I was always taught that for step-up transformers the primary side is L.V and the secondary side is H.V. However...
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