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  1. Sailor53

    X-ray machine power/wiring requirement

    I am designing the electrical system for a veterinary clinic. The clinic includes one x-ray machine. I don't know the particular model # the owner will use, but a sample unit found on the internet requires 70A, 208-240V, 1-phase. Are there any standard practices I should be aware of such as...
  2. Sailor53

    Exterior Emergency Lighting

    There is an additional consideration when using metal halide for egress lighting. If there is a power failure, then the lamps will not restrike for 5-10 minutes and you will not have the required illumination. I normally specify an option which includes a small halogen lamp in the fixture...
  3. Sailor53

    At a disadvantage due to my age?

    I retired from the Air Force after 22 years, during which time I had zero engineering design experience. I did have related experience, including teaching engineering at the Air Force Academy. I now work for a consulting firm designing building electrical systems. My starting salary was less...
  4. Sailor53

    Need a 150VA transformer 208vac to 24vac

    I looked on Veris website and found model # X150CAA which appears to be what you are looking for.
  5. Sailor53

    The answer to all energy conversions?

    Rather than being based on the amount of time that the sun shines, I would think that efficiency is input power divided by output power. The sun delivers a certain amount of watts per square foot, which varies according to latitude, time of day, etc. Multiply this by the area of the mirror...

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