nfpa 70 (2014)

Discussion created by pearlseale on Apr 17, 2017
Latest reply on Apr 20, 2017 by brian.baughman

my home was built in the 1950s and I have been told that to meet standards I will need to replace all my internal wiring with wire that has a ground wire. I need to go from a 2 phrase to a 3phrase wiring.  Where will this be sited.  I know that nfpa70(2014) is the general source but can anyone reference it down to more precise standard#