Flickering lights can have an adverse effect on health, causing fatigue, lack of concentration, migraines and in some cases, epileptic shock. The severity of reaction and sensitivity varies from person to person. Some people can see a higher rate of flickering light than others. Fluorescent lamps can occasionally develop a fault that can cause them to have noticeable flicker.While health effects are a main concern, the production line of an industrial plant can also be affected. Workers can feel...

Symptoms of power quality issues include vibration, excessive buzzing or humming and overheating. Technicians should occasionally check the power of transformers that supply nonlinear loads, such as variable frequency drives (VFDs) or switching power supplies. Doing so ensures operation within acceptable limits. Transformers are deeply critical to the reliability of the grounding system. During your transformer inspection, use temperature as a guide to check for excessive radiant heat and stay alert...