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  • Users: usher00
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  1. usher00

    Sizing for Duty/Standby pumps

    Hi, i need some input on this please; i have a duty/standby pump configuration.(one of them running at a particular time). right now the wiring of the to the pump includes a single point power with a main disconnect with 2 secondary disconnects for each pump. the main disconnect/wire are...
  2. usher00

    Daisy Chain Power cable

    Hi, i was planning to build a design (see attached picture) in which i was planning to use 4 - 50HP 460/3/60 motor with VFD and daisy chaining the incoming power cable. i was wondering if this meets the NEC/IEEE code. Each VFD has a fused disconnect of 100A and i was planning to use #1AWG cable...

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