Lumens vs. Wattage Lumens and wattage are terms that are often used interchangeably, but they are actually quite different. Wattage is the amount of energy the bulb uses to produce light. Lumens are a measure of the bulb’s brightness. A 60-wattincandescent bulbrequires 60 watts of electricity...
The impending ban on incandescent light bulbs has found many vocal opponents, including those who says CFL or LED bulbs just can’t match the warm glow of an old-fashioned incandescent. We tested all three to find out if they’re right.
in enclosed fixtures, upside down, in downlight or recessed cans because of overheating, outside in cold weather. Worse yet, they can start house fires if put into a circuit with a dimmer. ALso, if you use them light a regular light bulb, turning them on and off, it shortens the li...
I didn't think there was a dimmer available for a 3 strip led light. This works just like a dimmer for a regular bulb. The only issue I had is that it needs a deep box. The box with the original switch was full of wires and ...
A new LED lamp for the collection of nocturnal Lepidoptera and a spectral comparison of light-trapping lamps High-wattage incandescent lamps and self-ballasted mercury vapour lamps have highest irradiance, but they mainly emit in the long wave spectrum. The use of gauze and sheets decreases the ...
and bulbs were filled with inert gas—at firstnitrogenalone and later nitrogen andargonin proportions varied to suit the wattage. These steps increasedefficiency. Beginning in 1925, bulbs were “frosted” on the inside with hydrofluoric acid to provide a diffused light instead of the glaring bright...
I didn't think there was a dimmer available for a 3 strip led light. This works just like a dimmer for a regular bulb. The only issue I had is that it needs a deep box. The box with the original switch was full of wires and nuts and there was no room to add...