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  • Users: dumitruN
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  1. dumitruN

    delta service

    I have a 400A 120/240V delta service in a building. It feeds 3 phase and single phase panels in the building. I will bring a new 1200A, 120/208V and I wand to feed the existing panels from the new switchgear. Whant kind of transformer do I need to feed the old panels? Thank you.
  2. dumitruN

    5kv undergrund cable

    I have a 4" pvc underground conduit incased in concrete. Can I put in it three triplex 5kv cables (3c):(one #1, one #2 and a #6) going from the switchgear to three diferent transformeers? I don't have a IEEE 835 standard? The NEC tables are limited to 2000V. The power company people are telling...

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