R RUWired Senior Member Location Pa. Dec 20, 2009 #21 If the grounded neutral conductor is used for grounding ahead of the first OCPD then it is sized per the phase conductors and table 260.66. If it's not then it's based on the load and the bonding jumper is used for grounding. rick
If the grounded neutral conductor is used for grounding ahead of the first OCPD then it is sized per the phase conductors and table 260.66. If it's not then it's based on the load and the bonding jumper is used for grounding. rick
augie47 Moderator Staff member Location Tennessee Occupation State Electrical Inspector (Retired) Dec 20, 2009 #22 good point. We are not using it for bonding but only for neutral loads beyond OCP device.
