22 gauge 4-conductor wire (Sold by the foot) - The Electric Brewery
4 Wire RTD Extension Cable with M12 Female Connector with 25 ft Leads | Evolution Sensors and Controls
Monoprice Speaker Wire / Cable - 100 Feet - 16AWG 4 Conductor, Fire Safety In Wall Rated, Jacketed In White PVC Material 99.9 Percent Oxygen-Free Pure Bare Copper - Walmart.com