Pet fence

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The term pet fence normally refers to an underground wire installed around the perimeter of a home, designed to keep a pet within the boundaries of the property. The wire carries a radio signal, while the pet wears a lightweight receiver collar, which emits a warning beep when the pet nears the boundary. If the warning is ignored and the pet crosses beyond the boundary of the fence, the pet receives a mild electric shock.

Some pet fences are wireless; rather than using an underground wire, they emit a radio signal from a central unit, and activate when the pet travels outside a set radius from the unit. Although called a "fence," these fenceless systems are actually electronic pet containment systems.

Any person or pet who is not wearing the collar assigned with the fence system will not be affected by the underground wire while passing overhead.

See also

• Shock collar