Light bulb base sizes explained – What Size Should You Never Ignore Again?

Tue, 05 May 2026 08:47:58 +0000

Light Bulb Base Sizes Explained: What Size Should You Never Ignore Again? When shopping for light bulbs, one of the most critical but often overlooked details is the base size. Choosing the wrong size not only prevents your bulb from fitting securely in fixtures but can also pose safety risks like flickering, overheating, or even electrical failure. Understanding light bulb base sizes ensures compatibility, efficiency, and longevity—so you never miss selecting the wrong bulb size again. In this guide, we break down all the common light bulb base types, how to identify them, and highlight the size you should never ignore. ---