The answer to 'what is electrical wiring' is the network of cables, wires, and other electrical conductors that carry electricity throughout a building. Electrical wiring is responsible for delivering power from the utility company to every electrical device and outlet in a home or commercial structure. It includes the main service panel, branch circuits, switches, outlets, and all the wiring that connects them.
Electrical wiring is an essential component of any building, as it provides the means to power lights, appliances, electronics, and other electrical devices. Proper installation and maintenance of electrical wiring is crucial for the safety and function of a home or building.