The answer to 'flickering lighting installation' is that there are several common causes of flickering lights, including loose connections, faulty light bulbs, issues with the electrical wiring, or problems with the light fixture itself. Flickering lights can be caused by a variety of electrical issues, and it's important to troubleshoot the problem properly to find the root cause.
If the flickering is isolated to a single light fixture, it's likely due to a problem with the fixture or the light bulb. Try replacing the light bulb first, as this is an easy and inexpensive fix. If the flickering persists, the issue may be with the light fixture's wiring or components. In this case, it's best to call a licensed electrician to inspect and repair the fixture.