How Thick Wire Can I Use Dog Fence?

How Thick Wire Can I Use Dog Fence? Electric dog fences are most commonly designed with 20-gauge (thinnest), 18-gauge, 16-gauge, or 14-gauge (thickest) wire. 20-gauge wire is what you will find in most pre-packaged do-it-yourself fencing kits. Most professionally installed systems use the more substantial 14 or 16 gauge wire. Is 14 gauge wire strong