Guides

What Does "60W Max" Mean on an Old Light Fixture?
What Does "60W Max" Mean on an Old Light Fixture?
It was never a limit on brightness. It's the point where an incandescent bulb starts cooking the socket and the wire above it. Read more...
How to Wire a Lamp Plug: Ribbed vs Smooth Cord Polarity
How to Wire a Lamp Plug: Ribbed vs Smooth Cord Polarity
On a polarized two-wire cord, the cord itself tells you which side is which. Ribbed to silver, smooth to brass. Read more...
Lumens vs Watts: How to Replace a 60W Bulb with LED
Lumens vs Watts: How to Replace a 60W Bulb with LED
Watts measure electricity used, not brightness. With LEDs the two have come apart completely. Read more...
2700K vs 3000K vs 5000K: Which Light Color for Each Room
2700K vs 3000K vs 5000K: Which Light Color for Each Room
Kelvin changes the mood, not the brightness. Here's where each range belongs. Read more...
What Size Bulb Base Does My Chandelier Need? E12 vs E26 Explained
What Size Bulb Base Does My Chandelier Need? E12 vs E26 Explained
Shape is how a bulb looks. Base is whether it threads in at all. Here's how to tell the difference before you buy. Read more...