Overview Expand your pet’s safe play area with the PetSafe Boundary Wire

This 500-foot spool uses solid-core, 20-gauge copper and can cover roughly one third of an acre, helping you tailor a boundary that fits your yard

The wire is designed for direct burial, providing durability and longevity across diverse soils and weather conditions

It’s a practical choice for extending an existing in-ground fence without compromising performance

The yellow-coated wire blends practical visibility with underground usability, making installation and troubleshooting a bit easier while remaining discreet beneath the surface

It’s compatible with most in-ground fence systems and backed by the PetSafe brand family, a global leader in pet behavior, containment, and lifestyle innovations since 1998

This wire is an excellent option when you’re expanding a boundary and need reliable, long-lasting material that can stand up to outdoor use

Key Benefits Expands an existing invisible fence with a long, single spool for flexible layouts

Solid-core copper construction dependable conductivity and resilience against the elements

Direct burial design protects the wire from moisture and soil movement, reducing maintenance needs over time

Compatible with most in-ground systems and supported by the PetSafe brand reputation

Yellow exterior helps identify and manage the wire during installation while staying unobtrusive underground

What You Get and How to Use It 500 feet of 20-gauge copper boundary wire suitable for direct burial and boundary expansion

Works with most in-ground fence systems when paired with appropriate connectors and accessories

Installation Tips For results, pair with Gel-filled Splice Capsules and RFA-366 wire connectors to create waterproof joins

Plan your route to minimize roots or obstacles, and test the system after burial to confirm conductivity

Store the wire in a cool, dry place when not in use to preserve copper integrity for future projects

Why PetSafe PetSafe has established itself as a name in pet containment and lifestyle innovations since 1998

The Boundary Wire reflects the brand’s commitment to durable, practical solutions that support pet owners in keeping their animals happy and safe

FAQ Q: What is included in the PetSafe Underground Dog Fence Wire 500 Foot package

A: A 500-foot spool of 20-gauge solid-core copper wire designed for direct burial across most in-ground fence systems

Q: Do I need additional accessories for the wire to work

A: Yes, consider Gel-filled Splice Capsules and RFA-366 wire connectors for waterproof connections and durable extensions