Jack Asked:Do I need a grounded conductor (neutral) in my subpanel if all my loads are all 220v (i.e. 2-phase)? Sourav Asked:A client is asking for an insulated copper conductor on a ground grid at a depth of 2’ from the grade level instead of bare copper due to corrosion issues. We are trying to model and... Russ asked: How can I correctly separate the ground bar from the neutral bar in an electrical sub-panel?The Answer: