High voltage is present in an electric fence. That is why it necessitates using a specialized testing device when electric fence troubleshooting.  That is why learning how to test electric fences using a multimeter is a must-have skill to have. These electric fence testers are designed specifically for use with electric fences.  A multimeter is an electrical apparatus that can directly measure an electric circuit's voltage difference, current, and resistance. These are the perfect tools to use as an electric fence tester.