duffer
Platinum Member
If you have a sub panel in your barn/shop from the main panel in the house, check to see if the neutral and ground buss bars (in the sub panel) have a strap connecting them. If so, turn off the breaker to the sub panel in your main breaker box in the house, and disconnect the strap in the sub panel.
Might be a long shot, but if the barn/shop panel does not have its own meter, then these to buss bars shouldn't be connected.
Might be a long shot, but if the barn/shop panel does not have its own meter, then these to buss bars shouldn't be connected.