E26 light bulbs are designed to work in 120 V sockets, whereas E27 bulbs work in 240 V sockets. Having the wrong voltage can cause a ton of safety issues, much like using a bulb with the wrong ...

The incandescent light bulb still isn’t dead — but ‘normal ... (diameter less than 2 inches) as defined in ANSI C79.1-2002 and that do not have E26/E24, E26d, E26/50x39, E26/53x39, E29 ...

We are more concerned with figuring out what wattage the LED bulb is equivalent to an incandescent light bulb. ... If you go to purchase an A19 light bulb, it is also going to be an E26 bulb.

Incandescent bulbs have been banned in the United States, but are you able to just install an LED bulb in their place, or do you need an upgrade?

The Dept. of Energy's ban on the sale and manufacture of most incandescent light bulbs took effect on Wednesday more than a decade and a half after such a ban was first proposed.

We've tested and reviewed products since 1936. Read CR's review of the Ikea Ledare E26 LED 400 lumens (Ikea) lightbulb to find out if it's worth it.

According to the Department of Energy, LED lightbulbs use at least 75% less energy and last 25 to 50 times longer than incandescent bulbs.

America’s ban on incandescent light bulbs, 16 years in the making, is finally a reality. Well, mostly. A rule issued in 2007, rolled back by the Trump administration, and updated last year by ...

Some incandescent bulbs are exempt, according to the Environmental Protection Agency, "including specialty bulbs, three-way bulbs, chandelier bulbs, refrigerator bulbs, plant grow lights and others." ...

FILE - Manager Nick Reynoza holds a 100-watt incandescent light bulb at Royal Lighting in Los Angeles, Jan. 21, 2011. New federal rules governing the energy efficiency of lighting systems went ...

America’s ban on incandescent light bulbs, 16 years in the making, is finally a reality. Well, mostly. A rule issued in 2007, rolled back by the Trump administration, and updated last year by ...