Lead-out Wire
A copper, heavily insulated (15,000v) wire is necessary to prevent electrical leakage and electrolysis at connection points
NEVER substitute with wire that is not copper or properly insulated
This Lead-Out wire is used to wire your ground rods
together and back to the charger
For wiring from your charger to the fence.
As "jump wires" to the individual strands
of fence
And for wiring underneath gates when required. More Info