What is the proper installation process for an electrical box for a wall light fixture?

To install an electrical box for a wall light fixture, first turn off the power to the area. Mark the location on the wall, cut a hole for the box, and secure it in place. Connect the wires from the fixture to the wires in the box, and then attach the fixture to the box. Finally, turn the power back on and test the light to ensure it is working properly.