Tom Light

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About Tom Light

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  • Gender Male
  • Location East Tennessee
  • Country United States

  1. Intrinsically Safe Systems RIO

    Tom Light replied to GuyMiller's topic in Control Panel Building

    they are not one in the same. intrinsically safe-incapable of starting ignition as a source, explosion proof-in the event of failure, the ignition/combustion will be contained within the box. you are probably well aware of that, but others reading may not. if the area of installation is considered intrinsically safe, an explosion proof alone containment does not meet requirements.  

  2. Choosing Cable & Wire Size

    Tom Light replied to Kp66's topic in Control Panel Building

    distance from power distribution plays a part in this as well. I typically use a voltage drop calculator for convenience.  https://www.calculator.net/voltage-drop-calculator.html?necmaterial=copper&necwiresize=6&necconduit=steel&necpf=0.85&material=copper&wiresize=3.277&resistance=1.2&resistanceunit=okm&voltage=515&phase=ac3&noofconductor=1&distance=300&distanceunit=feet&amperes=25&x=26&y=23&ctype=nec