If the animal comes into contact with the wire, it feels a small electric shock.

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"New Zealand was a wire contact and it had fatal results and that's certainly the balloonist's biggest worry, " he said.

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The animal was electrocuted when it came into contact with the high-voltage wire in fields off Ferry Road in Iwade, near Sittingbourne.

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That wire can ground a contact on the circuit board behind the light that triggers a function intended to allow the door to be opened with a remote button, bypassing all its security measures.

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