Ideal for standard lead out, under-gate cabling, connecting fence charger to fence and earth rods in a ground system. Made for direct burial. Tough polyethylene for abrasion resistance in the ground. 82 feet length and double insulated polyethylene - black outer layer and transparent inner layer for added protection. Limits unintended voltage loss in long distances. 16 gauge class 3 galvanized steel wire, Insulation rated up to15,000 volts. Resistance 161 ohms/mile. Handy spool, easy to install and use.