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480v
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  1. NEC Code Forum
    Hello, I am in need of some guidance. I have to get power to two machines that have a nameplate that is, 220v, 43KVA, 3 phase, 125a. I have 480v in the building so the manufacture recommended transformers I bought are, 75 KVA transformer, 480v to 240v, I have changed the taps to get about...
  2. General Electrical Discussion
    Hello all! :biggrin::biggrin::vs_cool: First time poster here and excited to meet you all! I have a few questions about a Project I am working on at the University I am employed at. I am setting up a robotics lab for the university with industrial robotic arms from KUKA. One of the end of arm...
  3. PLCs, VFDs, Motors and Controls
    Here is the specs I have been given for a machine from the EU coming to the USA. If you use a high-leg delta connection (see the previous picture), you have 3 phase and 1 neutral and 1 ground. If you measure the voltage between phase and phase you get 480V. It is good, but if you measure the...
  4. General Electrical Discussion
    Hello, wise ones of electrical ways. I am primarily an industrial/commercial flooring contractor, however we do some residents, and If I have to rent another 35 kva tow behind I may lose my mind. We mainly do Polished concrete and Resinous Coatings, we use a lot of 480v 3phase machinery. For...
  5. General Electrical Discussion
    Hello all, I am an electronics engineer, and i have been tasked with bringing a mobile lab up to code for use in the US. While i have a decent handle on most things related to 120v wiring, and of course most things dealing with lower voltages used by electronics, but anything above that and i...
  6. Commercial Electrical Forum
    I do not do much work with 3phase 480v, besides wiring equipment to it; I am wondering if this is possible for the service we have it. My boss is looking at installing a 2500amp 120v service for a prototype project for a new design. I can't go into detail because he does not want it to leak...
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