A three-way light bulb has two different filaments inside, each with different wattage for the low and medium light settings, which combine for the bright setting. For instance, a 30-watt filament for low and a 70-watt f... More »

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LEDs (light emitting diodes) are brighter than incandescent or halogen bulbs of the same wattage, but LED bulbs are not available in high wattages. Some of the brightest LED flood lamps use 11-12 watts and emit light com... More »

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According to Chemicool, krypton light bulbs are highly reliable, long-lived, energy-saving light bulbs that burn at high power and produce a brilliant white light. Krypton is often used in applications that require very ... More »

The A19 light bulb is the most common residential light bulb. With light bulb names, letters are used to indicate light shape and numbers to indicate light size. The A19 has an arbitrary shape, with 19 being the widest w... More »

A flicker-flame light bulb is a light bulb that is designed with a carbon filament that oscillates inside the glass and creates a flickering effect. Flicker-flame light bulbs have lower wattage power than standard light ... More »

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A mogul base light bulb is a light bulb that has a larger screw base than a standard screw base bulb. The screw base of a mogul bulb is 39 millimeters across, while the base for a standard bulb is 26 millimeters across. More »

A 60 watt type-A light bulb is an incandescent electric light source; it operates with 60 watts of power and has the traditional bulb shape that is categorized as type A. Incandescent bulbs use a tungsten filament that g... More »