Cambridge 40 ft. 18 AWG Red Wire at Tractor Supply Co.
18 Gauge 3-strand wire-per foot
NATIONAL Wire&Cable - 18 Gauge 2 Conductors Premium Electrical Wire - Made in USA - 18 AWG Wire Stranded PVC Cord Copper Cable 25 Ft. Flexible Low Voltage LED Cable Lamps Lighting Automotive - Amazon.com
18 Gauge Green Floral Wire - Pack of 25 | Floral Design Institute
ANCOR 18 AWG Primary Wire by the Foot | West Marine
Heavy Duty Pet Fence Wire - 500 Feet - RFA-1
Rhodium 18-Gauge Aluminum Wire By Bead Landing™ | Michaels