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ToolsWiring & grounding guide

Plan your system

Wiring & grounding guide

Fence-line connections, the power line, and the ground line don't work the same way for a new fence as they do for adding electric strands onto a fence you already have.

Wiring a new fence

  1. 1Run the lead-out cable. Connect insulated lead-out cable (2.5mm Earth & Fence cable) from the energizer's fence terminal to the first strand nearest the energizer, keeping it clear of the ground and anything metal it could touch.
  2. 2Connect each strand. Join strands at corners, gates, and ends with aluminium joint clamps — a loose or corroded connection is the most common cause of a weak fence.
  3. 3Place the earth rods. About 1 earth rod per 1.5 joules of stored energy, minimum 3 rods — more in dry or sandy soil.
  4. 4Bond the earth system. Link the earth rods together and back to the energizer's earth terminal with earth cable and earth clamps — this return path is what completes the shock circuit through the animal.
  5. 5Wire the gate cutoff. Fit a gate handle so the fence stays live across gates and access points, without a permanent hard connection you'd have to cut every time you open them.
  6. 6Test before relying on it. Check voltage at the terminal, midpoint, and far end, and confirm the earth system before letting animals near the fence.
EnergizerEarth rod(s)fence line

Related resources

  • Need exact strand heights first? Strand height planner.
  • New to how the circuit works? Start with How electric fence works.
  • Running on solar? See the Solar controller installation guide.
  • Once wired, verify it with the Installation testing checklist.
  • Need earth rods, clamps, or cable? Browse Electric Fence Accessories.

Frequently asked questions

Can I use the existing chain-link fence as the earth return?+

Not as a default — an existing metal fence usually isn't a controlled, consistent earth path. Install a proper earth rod system near the energizer, and keep the existing fence out of the electrified circuit unless staff have reviewed your specific site.

How far should offset strands sit from an existing fence?+

Roughly 15cm out from the fence face is the usual starting point — see the Strand Height Planner's "Existing fence" mode for height-by-height detail.

How many earth rods do I need?+

Roughly 1 rod per 1.5 joules of stored energy, minimum 3, with more added in dry or sandy soil where conductivity is poor.