Color temperature-shifting. Fading. Flickering. Flat-out failing. How many ways can an LED underperform to “10-year life” ...

Why are my LED bulbs flickering? Do you think the bulbs are bad, or is it some other sinister problem in my electrical system and my house might catch on fire? -- Brad G., Tulsa, Okla.

Guess what? It’s almost never the bulb. LED bulbs, for the most part, are very reliable and create consistent, non-flickering light when they get a uniform current flowing through the bulb.