If you intend to build permanent electric fences, you're going to need double insulated wire.This cable will carry current from fencers/energisers to fences and earth bars without loss of current. Also used for breaks in fences across roadways and gateways.The double insulation on the cable ensures that there is no loss of current to the environment. It can be used both underground and above ground. The plastic insulation is hard wearing to prolong product life.The 1.6mm diameter cable is suitable for use with low power battery and mains fencers. The cable is suitable for distances up to 30meters (98.4ft).The 2.5mm diameter cable is suitable for use with high power battery and mains fencers. This 2.5mm ground cable should be used for distances of more than 30 meters (98.4ft)The meter marks on the cable, makes set up easy as the measuring is done for you.Our sales price: USD113.99/pcs