The answer to 'how to install electrical wiring' is to follow proper safety procedures and building codes when running new electrical wires or making changes to your home's electrical system. This typically involves turning off power, running wires through walls or conduit, making secure connections, and ensuring the installation meets local regulations.
Before starting any electrical work, be sure to turn off power to the area you'll be working in at the circuit breaker. Use a voltage tester to confirm the power is off. Then, plan your wiring route and use the appropriate type and size of wire for the job. Run wires through walls, floors, or conduit to protect them, making sure to drill holes in framing carefully to avoid existing wires or pipes. Connect wires securely using wire nuts or terminals, and use electrical tape to insulate any exposed connections. Finally, test your work to ensure it's functioning properly and safe before turning the power back on.