Again, most flickering is caused by an old, faulty or incompatible wall switch or bulbs that are loose or of poor quality. There's a good chance that your lighting issues can be addressed by a quick ...

Although the problem can occur in any house, it is most common in older homes. Loose connections that cause flickering lights and a popping sound indicate arcing—a type of electrical discharge ...

That said, these bright flashes are not always an immediate cause for concern ... which describes the perception of lights flashing or flickering, sparkles, shapes, quick pops, spots or white ...