Electrician Talk banner
220.61
1-1 of 1 Results
  1. NEC Code Forum
    I'm having trouble interpeting 220.61. Do both 1 and 2 have to apply?, or is it either or. my question is can you derate the grounded conductor on a 100A residential service? on a 200a? Thanks for the help.
1-1 of 1 Results
Top