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  1. nguyenvd1

    Exterior Emergency Lighting

    I am currently specifying an exterior wall mounted light fixture along an emergency exit path of a commercial bldg. Which type of lighting is best for this application: 1) High Pressure Sodium 2) Metal Halide 3) Compact Fluorescent 3) Incadescent I am not well versed in the pro's and con's of...
  2. nguyenvd1

    Adding new commercial subpanel

    Hello: I am looking for advice on determining adequate capacity to add a new subpanel in a commercial building. I have a monthly KWh usage for an entire year from the client. The service is a 400A, 208/120, 3PH system. Lets say the peak month during the year was June, at 14,680 KWh. The...

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