As a result of the family now decorate, use line tube commonly, and then use three copper wires (firewire, zero wire, ground wire) through the line pipe laid. But the sheathing is much safer than regular wiring, so it's still useful in home renovations in the construction sector. Jacket wire is the power cord used before, before the home is decorated, use jacket wire as lighting and power cord; It can be embedded directly in the wall or fixed to the wall. The advantage of it is that it can eliminate the threading pipe or groove, and instead of the outer layer of insulation, it is convenient, fast, good-looking and safe to use. It is connected with the household mobile inserting board and refrigeratorOr the best choice for appliances like air conditioners.