The answer to 'what is electrical wiring' is the system of cables, conduits, and other components used to distribute electricity throughout a building. Electrical wiring is responsible for safely delivering power from the main electrical panel to outlets, lights, appliances, and other electrical devices in a home or commercial building.
Electrical wiring typically consists of insulated copper or aluminum conductors enclosed in a protective sheath or conduit. The wiring is connected to circuit breakers or fuses in the main electrical panel, which protect the wiring and devices from electrical overloads or short circuits. Proper installation and maintenance of electrical wiring is critical for ensuring the safety and functionality of a building's electrical system.