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  • Users: eemdude
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  1. eemdude

    Dry Wall- Effectively Insulated or Grounded Wall?

    I have a 480V MCC that I am installing in electric room whose walls are composed of two layers of gypsum drywall. I am using Table 110.26 in NEC to consider working space in front of the MCC. In condition 2 of this Table, the code says to consider concrete, ceramic tile, and brick as grounded...
  2. eemdude

    Conductor Sizing and Voltage Drop

    I have a 480 V,25 hp motor I am wanting to select the right condutors for. The FLC of the motor is 34 amps and the distance between motor and motor starter is 730 feet. When running a voltage drop calculation to determine the proper size of conductors , should I be using 34 amps as the ampacity...

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