Fi-Shock® 17 Guage Aluminum Wire - 1/4 Mile - 1-PackElectric fence wire 1 4 mile of 17 gauge aluminum wire Breaking Load: 90 lb Tensile strength: 38,000 PSI Extend your fences with this durable Zareba 1 4 Mile 17 Gauge Aluminum Wire. This aluminum wire is rust proof and a good conductor. It's suitable for use on all fence post types and performs well even in adverse weather conditions. This wire works well with plastic or ceramic insulators for flexibility in installation.