Look at this fence pictured in quote ...
The poultry wire fencing is the physical barrier, then there are runs of electric on the outside, kept seperate from the physical fence by plastic insulators that hold it out away from the physical fence (which could be grounded) but I'm not sure, as this is not my setup ... check with @cmom ...
The more joules in the fence charger the more shock. I use the poly rope wire. I have seen coons on my game cameras but they don't mess with my birds. I believe coons are climbers and not jumpers so they don't try to climb the wire. I have accidentally touched my wire when I have forgotten to turn it off and it has made my heart skip a few beats so I'm sure a coon that weighs much less than I do will get a real good zap. We have added another coop on the end since this picture was taken and I have a single wire around the back sides of the coops but 3 wires around the rest.
View attachment 1496223
The poultry wire fencing is the physical barrier, then there are runs of electric on the outside, kept seperate from the physical fence by plastic insulators that hold it out away from the physical fence (which could be grounded) but I'm not sure, as this is not my setup ... check with @cmom ...