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 an E26 base. The E means that the bulb has ...

Buying a light bulb can be complicated. If you don't take the time to figure out what type of bulb you need, it may not match the color of the other bulbs in the room or even work in your fixture.