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  • Users: JBender
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  1. JBender

    Mixing Wiring and Pneumatics in Raceway

    I work for a small machine builder. We just got hit for mixing wiring and pneumatic tubing in the same Nema 1 raceway. This has never come up before in the 10 years or so of this company... What are peoples opinion on NEC 300.8 that says not to? Is my assumption that it gets done all the...
  2. JBender

    DC powered motors' NEC compliance

    I am integrating process equipment where a 3rd party is suppling some of the equipment incorporating a few DC controlled motors, and their control boards. I am responsible for documentating the circuits they are on, starting at the load center. It seems that this supplier is IEC EN61010-1...
  3. JBender

    3 phase (delta) current

    I am trying to size a circuit breaker for a 3 phase motor given it's power consumption. Note that I am not sizing a thermal overload. Here goes: Working with 480 VAC Delta and a motor rated at 3.5kW. If the total power of the motor is 3500 Watts, than each winding is supplying 1/3 of that =...
  4. JBender

    ACAD2000 paperspace Dimensions

    I'm ready to pull my hair out here. I'm a new user to autocad and can't figure out why my dimensions are different in paperspace than in model space. What am I missing here. Where do I set a scale factor and how do I make it 1:1? Please help Jason Bender
  5. JBender

    Simple 3-wire

    Hi, I'm a young EE for a small systems integration company working up the learning curve of industrial power distribution. I have a solid understanding of electronics and residential wiring, but am new to the industrial end of power distribution. When I asked if the 480 Volt, 3 phase power...

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