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  1. Dary67

    Electronic Ballast for T9 Circular Fluorescent Lamp

    Hi, I have a lighting fixture with two circular T9 fluorescent lamps. One electronic ballast is burned out and I cannot find the same ballast in the stores. I am wondering if any other type of electronic ballast can be used for one or both lamps. Any advices? Thanks, Dary
  2. Dary67

    equipments cost per kWh

    Bill, thank you for your comments. Actually I want to know the cost of equipments and installation including the diesel generator, panel, etc. Dary
  3. Dary67

    equipments cost per kWh

    Hi, I am trying to estimate the cost of equipments for a 85 KVA stand-by diesel generator (in Canada). Does anybody know that how much it would cost per kWh generation or a totally. Thanks
  4. Dary67

    60 Hz Transformer in 50 Hz

    Can any body answer this common question in some technical interview: " What will hapend to a 3 phase 60Hz transformer if supply with 50Hz and same voltage?"

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