When you’re installing a non-metallic electrical cable, you must identify the sections of the cable: the outside sheath (the jacket) and the interior conductors. What seems to be colored “wire” is really a sheath that covers the copper wires within.
Putting up a structure, regardless of size, costs a fortune. So, rarely will any property owner want to add to such a huge amount, the cost of maintenance or fixing damages regularly. Of course, the quality of the materials used for buildings determines their durability and ability to last longer