From Light Fixture Replacement · Step 12 of 13 · Video by This Old House

Showing 6:00–6:08 of the source video.
After the new light fixture is fully installed, return to the main electrical panel. Turn the power back on to the circuit that controls the light. Then, test the new light fixture by flipping the wall switch. If the light illuminates, the installation is successful.
Goal: Verify the successful and safe operation of the new light fixture.
This project details how to safely replace an old ceiling light fixture in a house built before 1985, addressing potential fire risks associated with outdated wiring. It involves inspecting existing wiring, extending it with modern, higher-temperature rated cable, and properly installing a new fixture.
Return to the electrical panel and flip the circuit breaker back to the 'ON' position. Go to the light switch and turn on the new fixture to ensure it operates correctly. Check for any flickering or issues.
This project involves safely removing an existing light fixture in a two-story stairwell and installing a new one. Due to the height and electrical work involved, safety precautions are paramount.
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