Varistor reduces voltage output working with most fence controllers of two joules or less. After installing Varistor check the controller voltage. Voltage should be 2420 volts maximum and can be checked with the 1360 Five-O-Lite Fence Tester.

Cow Trainers are used in stanchion barns where they are connected to an electric fence charger to give cows a light shock when they hump to evacuate. Cows are soon "trained" and the stanchions stay much cleaner. Coburn Notched Bar Cow Trainer…