Zareba LA1 Lightning Arrestor Protects fence controller from lightning by diverting it into the ground Requires its own separate grounding system of 3 ground rods (6' or 8' long fround rods spaced 10' apart Use with Zareba lightning diverter to help porotect your fence controller by createing a "path of least resistance" Zareba Systems can be matched to any animal control situation, offering both budget and design flexibility