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2. A-series light bulb - Wikipedia

   en.wikipedia.org/wiki/A-series_light_bulb

   In countries with a mains supply voltage of 100–120 volts (e.g., Canada, Taiwan, US), A19/A60 light bulbs usually come with an E26 type Edison screw base (i.e. 26 millimeters in diameter). In the UK, Ireland and many Commonwealth countries, they usually come with a B22 type bayonet cap

3. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   A 230-volt incandescent light bulb with a medium-sized E27 (Edison 27 mm) male screw base. The filament is visible as the mostly horizontal line between the vertical supply wires. A scanning electron microscope image of the tungsten filament of an incandescent light bulb Elaborate light in Denver, Colorado

4. Edison screw - Wikipedia

   en.wikipedia.org/wiki/Edison_screw

   In areas following the U.S. National Electrical Code, general-use lamps over 300 W cannot use an E26 base and must instead use the E39 base. Medium Edison screw (MES) bulbs for 12 V are also produced for recreational vehicles. Large outdoor Christmas lights use Intermediate base, as do some desk lamps and many microwave ovens.

5. Edison light bulb - Wikipedia

   en.wikipedia.org/wiki/Edison_light_bulb

   Sold as "specialty lighting", Edison-style incandescent lamps are exempted from the ban in most places. [ citation needed ] More contemporary "Edison light bulbs" are designed to replicate the same light color and bulb shape of the original, but offer a more energy-efficient version to Rosenzweig's popular vintage reproduction bulbs (modern ...

6. Mogul lamp - Wikipedia

   en.wikipedia.org/wiki/Mogul_lamp

   Mogul-base lamps are available for industrial use in larger power ratings (250–1500) and in halogen, mercury vapor, high-pressure sodium and metal-halide lamp configurations. Compact fluorescent mogul-base bulbs are also available, as are adaptors to allow medium-base bulbs to be used in mogul sockets.

7. Lightbulb socket - Wikipedia

   en.wikipedia.org/wiki/Lightbulb_socket

   The two-pin socket is an update of the bi-post design with smaller pins designed to reduce the cost of manufacture. The 1000-watt FEL medium two-pin base halogen lamp allows designers to insert the lamp into the end of the ellipsoidal reflector through a smaller hole than previously possible with conventional incandescent lamps. This improves ...