Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations GregLocock on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. PerigonRobert

    System bonding jumper sizing NEC 250.30

    Thanks dpc -- The 12.5% calculation for 6 X 350kcmils =~ 300kcmils and to purcahse commerically available wire I would need 350kcmils bare copper; therfore, each conduit would contain (3) 350kcmils insulated phase conductors and (1) 350kcmils bare copper cable. Thanks again
  2. PerigonRobert

    System bonding jumper sizing NEC 250.30

    I have a 1500 KVA (4160 Delta/ 480 Wye) transformer connected to a 3phase-3wire system (no neutral). Grounded at the X0 transformer terminal within the transformer secondary. Secondary wiring is 6 parallel underground conuits with 3-350kcmils phase conducter per conduit. My question is how...

Part and Inventory Search

Back
Top Bottom