We have an electric chair of sorts here, the grass hoppers have found it the hard way. They will climb up on the fence posts and will happen to craw up onto an insulator. They are big enough to span the wire and the grounded wood. When they get to that point, you hear a loud crack and at night a bright arc of light as many thousands of volts of electricity course though the insect. The insect is dead after the first one. We then have to kill the power and then remove them from the fence. They are quite crispy by the time we find them!