Voltage fluctuations in power systems can cause a number of harmful technical effects, resulting in disruption to production processes and substantial costs. But flicker, with its negative physiological results, can affect worker safety as well as productivity. Humans can be sensitive to light flicker caused by voltage fluctuations. Generally speaking, flicker can significantly impair our ... In general, flickering lights are caused by a simple drop or fluctuation in household voltage that causes the lights to dim momentarily. A variety of common issues can cause your lights to flicker, and understanding the specific causes will tell exactly what to do to solve it.

A poor-quality power supply is a major cause of flickering recessed lights. Corroded and loose connections in your home or on the power lines trigger voltage fluctuations. Additionally, low voltage may signal overloading of the network or the installation of small conductor wires linked to your house. Sometimes flickering can be fun and decorative, such as in these flicker flame chandelier lights, but in most cases it is undesirable. While flickering isn't often a cause for alarm, it is always best to make sure it's not part of a larger issue. Below are common reasons for flickering bulbs and which ones you need to be worried about.