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  1. 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...
  2. Commercial Electrical Forum
    I'm installing a circuit for a blast chiller. The equipment tag says: Voltage: 208-230 / 115 / 60 / 1 Current: 12A I need to provide both voltages. I assume the "1" means single phase. The available panel is labeled 208 / 120 Y but I measure 196 / 112. I think this is because the panel is at...
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