Wirespooler quickly and easily dispenses spooled wire for home runs and branch circuits. Their Wirespooler, W21-WSPR, holds four, 500 foot spools of #12 wire, or 2 spools of #10 wire. Wirespooler also dispenses spools of thermostat wire, alarm wire, networking cable, security wire, fiber-optic cable, SO cord, photovoltaic cable, and even grass-trimming line.