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  • Users: bisonee
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  1. bisonee

    PE Exam Calculator

    This is kind of a proffesional question but I need some advice and I dont know where to ask. I was wondering if anyone had any recommendations for the best calculator to use for the PE exam. The options are: Hewlett Packard – HP 33S Casio – FX 115MS or FX 115MSPlus Texas Instruments – TI 30X...
  2. bisonee

    clearance of service conductors and non pressurized pipes

    I am doing a design in arkansas. Do to limited room we are looking at putting a transformer over a non pressurized storm sewer pipe. Is there and clearance requirments for that with respect to the pipe and electrical equipment including conductors in conduit. Unfortunetly this is not my design...
  3. bisonee

    positive, negative and zero sequence

    I took a basic power course back in college and I work for a A/E consulting firm so we dont deal with it alot, but could someone simply tell me what each of the above mean and how this is involved in a 3 phase system.
  4. bisonee

    residential transformer neutral current

    With a residential 240/120v tranformer, assuming the load is balanced on the 2 phases, is there still neutral current because it is not a 3 phase system. Does anyone know where I can get calculations to support this? Thanks.

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