eXtreme Dog Fence Wire - 20 Gauge Heavy Duty Protection Improvement Over Factory Packaged 20 Gauge WireThis is 2000 feet of heavy duty 20 AWG - pet fence wire. No matter the terrain you are enclosing, we have the heavy duty wire you will need. This 2000 foot option is enough wire to enclose up to 4 acres.We recommend heavy duty pet fence wire in any area where the wire may experience wear and tear, such as rocky conditions or cold weather climates. Electric dog fences usually come with the cheapest low grade wire available. Most professionally installed systems use the more substantial heavy duty polyethylene coated wire. Whether you’re replacing a section of your existing fence or wiring your yard from scratch, you can easily find a relatively inexpensive and compatible wire for your project.Regardless of gauge, you should choose only a nsulated wire rated for burial (polyethylene coated works best). All of our wire use this coating for maximum performance. This wire is compatible with all underground dog fences: eXtreme Dog Fence PetSafe SportDOG Innotek Dog Watch PetStop Contain Your Pet Dog Guard Perimeter Technologies Dogtek Guardian... and all other brands of in-ground electric dog fence systems.