Audiopipe 16 Gauge, 500' FT Yellow Remote Wire1 Roll, 500' FT
Single Conductor, Remote, Turn on, Hook-Up WireStranded Copper Clad AluminumRated 158 degrees Fahrenheit (6 to 80 Volts)Flexible, Insulated, and Jacketed in PVCPerfect for Car Audio, Home Theatre, AutomotiveUse this with any 12 Volt or home project

Please refer to the electric fence power supply manufacture specs to ensure this wire will work for your application, as this wire is stranded and not solid wire.
Stranded Copper Clad AluminumTHIS IS NOT AWG AMERICAN WIRE GAUGE Click here for more available information regarding wire specs