J joe205 Member Aug 25, 2011 #1 a ground bar is installed in a 6"x6" duct which is located just above panelboard. all romex home runs are run to duct with ground wires connected to ground bar in duct. a #6 copper wire is connected from ground bar in duct to ground bar in panel.
a ground bar is installed in a 6"x6" duct which is located just above panelboard. all romex home runs are run to duct with ground wires connected to ground bar in duct. a #6 copper wire is connected from ground bar in duct to ground bar in panel.
iwire Moderator Staff member Location Massachusetts Aug 25, 2011 #2 No problem, and if they are all 15 and 20 amp circuits all you needed was a 12 AWG or nothing if a metal raceway.
No problem, and if they are all 15 and 20 amp circuits all you needed was a 12 AWG or nothing if a metal raceway.