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  • Users: kptx171
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  1. kptx171

    Grounding of metal tanks

    I have to design a grounding system for four steel tanks at ground level.System parameters: 480v/277v,fault level 50 KA at 480V.The tanks are of 20 ft dia and placed at 50 ft center to center to each other.I need yr suggestions for the size cable ,no.and dia of ground rods,ground grid information.
  2. kptx171

    Heat Tracing

    I have 20 pipe lines of average lengths about 100 ft and dia of 2 in with liquid temp 150F to be freeze protected above 40F.Can i use one thermostat and have ambient set at 40F and switch all 20 heat tracing circuits(Self regulating heat tapes) from a powersupply panel?

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