---
product_id: 1985725
title: "PetSafe Extra In-Ground Fence Boundary Wire, 20-Gauge Copper, 500 ft"
brand: "petsafe"
price: "¥17174"
currency: JPY
in_stock: true
category: "Pet Safe"
url: https://www.desertcart.jp/products/1985725-petsafe-extra-in-ground-fence-boundary-wire-20-gauge-copper
store_origin: JP
region: Japan
---

# 500 ft coverage Direct burial rated 20-gauge solid core copper PetSafe Extra In-Ground Fence Boundary Wire, 20-Gauge Copper, 500 ft

**Brand:** petsafe
**Price:** ¥17174
**Availability:** ✅ In Stock

## Summary

> 🐾 Extend boundaries, not worries — keep your pet safe in style!

## Quick Answers

- **What is this?** PetSafe Extra In-Ground Fence Boundary Wire, 20-Gauge Copper, 500 ft by petsafe
- **How much does it cost?** ¥17174 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/1985725-petsafe-extra-in-ground-fence-boundary-wire-20-gauge-copper)

## Best For

- petsafe enthusiasts

## Why This Product

- Trusted petsafe brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Integration:** Easily splice and extend your existing PetSafe in-ground fence with recommended gel-filled splice capsules for waterproof connections.
- • **Trusted Brand Legacy:** From PetSafe, a global leader since 1998 in pet containment innovation, ensuring your pet’s safety and your peace of mind.
- • **Weatherproof & Reliable:** Rated for direct burial, this wire withstands moisture and soil conditions without compromising performance.
- • **Built to Last Underground:** 20-gauge solid core copper wire ensures durability and reliable signal transmission, even buried deep.
- • **Expand Your Pet’s Freedom:** 500 feet of premium copper wire covers up to 1/3 acre, giving your furry friend more room to roam safely.

## Overview

The PetSafe Extra In-Ground Fence Boundary Wire is a 500-foot spool of 20-gauge solid core copper wire designed for direct burial. It expands your existing PetSafe in-ground pet containment system, covering up to 1/3 acre per spool. Durable, weatherproof, and easy to splice with recommended gel-filled capsules, this wire ensures reliable, long-lasting pet boundary protection trusted by millions since 1998.

## Description

Expand your In-Ground Fence boundary. Each spool of Extra In-Ground Boundary Wire comes with 500 ft. / 150 meters of 20-gauge, solid core, copper wire rated for direct burial. This covers up to 1/3 acre per spool. The length of wire needed will vary due to amount of twisted wire and the layout you select. A waterproof connection is needed for proper performance when adding additional boundary wire. We recommend using our Splice Kits (RFA-366) which include wire connectors and gel-filled capsules.

## Features

- Expand Your Existing In-Ground Fence: 500 feet covers approximately 1/3 of an acre
- Perfect for Most In-Ground Fence Installation: 20-gauge, solid core, copper wire is rated for direct burial
- Use Note: For proper performance we recommend using Gel-filled Splice Capsules and wire connectors (RFA-366) - SOLD SEPARATELY
- U.S.-Based Customer Care: Our pet product experts are happy to help you and your pet; we are available by phone, email or chat if you have any questions
- Quality Promise: PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations since 1998 to help keep your pet healthy, safe and happy

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0017DGFSA |
| Best Sellers Rank | #26,609 in Pet Supplies ( See Top 100 in Pet Supplies ) #42 in Dog Wireless Fences |
| Brand | PetSafe |
| Brand Name | PetSafe |
| Color | Yellow |
| Customer Reviews | 4.6 out of 5 stars 4,112 Reviews |
| Finish Type | Polished |
| Gauge | 20 |
| Global Trade Identification Number | 00729849000018 |
| Grade Rating | Commercial |
| Included Components | 500 ft Spool of Solid Core 20-Gauge Copper Wire |
| Item Diameter | 0.81 millimeters |
| Item Dimensions | 5.5 x 5.5 x 2.75 inches |
| Item Form | Coil |
| Item Highlight | Solid Core Copper Wire to Expand PetSafe In-Ground Fence, Covers Approximately 1/3 Acre |
| Item Length | 500 feet |
| Item Shape | Round Rod |
| Item Thickness | 0.81 millimeters |
| Item Type Name | Wireless Fence Boundary Wire |
| Item Weight | 1.04 kg |
| Manufacturer | Radio Systems Corporation |
| Material | Plastic |
| Model Number | RFA-1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | RFA-1 |
| Recommended Uses For Product | Extend or create an in-ground pet containment system |
| Tensile Strength | 35000 psi |
| UPC | 729849000018 |
| Unit Count | 1 Count |
| Warranty Description | Limited Warranty |
| Wire Diameter | 0.81 millimeters |

## Product Details

- **Brand:** PetSafe
- **Color:** Yellow
- **Finish Type:** Polished
- **Item Weight:** 1.04 kg
- **Material:** Plastic

## Images

![PetSafe Extra In-Ground Fence Boundary Wire, 20-Gauge Copper, 500 ft - Image 1](https://m.media-amazon.com/images/I/719I3RamPGL.jpg)
![PetSafe Extra In-Ground Fence Boundary Wire, 20-Gauge Copper, 500 ft - Image 2](https://m.media-amazon.com/images/I/81UafLuIE2L.jpg)
![PetSafe Extra In-Ground Fence Boundary Wire, 20-Gauge Copper, 500 ft - Image 3](https://m.media-amazon.com/images/I/71eZoX8eUoL.jpg)
![PetSafe Extra In-Ground Fence Boundary Wire, 20-Gauge Copper, 500 ft - Image 4](https://m.media-amazon.com/images/I/710+buxWaPL.jpg)
![PetSafe Extra In-Ground Fence Boundary Wire, 20-Gauge Copper, 500 ft - Image 5](https://m.media-amazon.com/images/I/717k+dkyOfL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- PetSafe Underground Dog Fence Wire (500 Foot) Create Your PetSafe Boundary, Electric Dog Fence Wire (Yellow) - from The Parent Company of IFB
- PetSafe Basic In-Ground Pet Fence In Ground Fence For Dogs (2 Dogs In-Ground Kit) Durable And Weather-Resistant Containment System, Dog Invisible Containment Kit (Multi-Color)
- PetsTEK 10 Pack Waterproof Wire Splice Kit for Wire Break Repair in Electric In-Ground Dog Fence Systems

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**Shop now:** [https://www.desertcart.jp/products/1985725-petsafe-extra-in-ground-fence-boundary-wire-20-gauge-copper](https://www.desertcart.jp/products/1985725-petsafe-extra-in-ground-fence-boundary-wire-20-gauge-copper)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-10*