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  1. Code Violation Discussion
    I have a customer that wants to reuse some 4-wire bus duct and install it on and existing 3 wire feeder without the neutral. None of their equipment that will feed from the bus duct requires the neutral but it just doesn't seem right to me to hook it up without the neutral. System voltage is...
  2. NEC Code Forum
    I'm a mechanical engineer. We need water lines run to the opposite side of our production facility. The best route above the floor runs near a 460 volt bus duct. Is it permissible to run propex type water lines near a high voltage bus duct? What is the code/standards regarding this situation...
  3. NEC Code Forum
    Does anyone know if is ok to build walls/ceiling around a 480vac bus duct system as long as access is provided to the bus plug disconnects by removing ceiling tiles? For example, just remove a ceiling tile if the bus plug disconnect needed to be locked out? Thanks
1-3 of 4 Results