1. Check your bulb base size and bulb shape Light bulbs come in a variety of sizes and shapes, depending on where you're using them. The standard light bulb used in U.S. households is an A19 bulb with ...

Buying a light bulb is a little more complicated than it used to be. You can't just pick up a similar watt bulb and expect it will match the other bulbs in the room, or even work in your fixture. So ...