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3-Way Incandescent Light Bulbs

3-Way Incandescent Light Bulbs

3-way incandescent bulbs have two filaments designed to produce different amounts of light. The two filaments can be activated separately or together, giving three different amounts of light. One common 3-way incandescent bulb is the 50/100/150 W. It has a low-power 50 W filament and a medium-power 100 W filament

Three Way Bulbs

Yes, you can use a 3-way bulb in a regular lamp. Simply treat it as though it's a single-wattage bulb. If the low-wattage filament fails, you can still use the bulb in either a 3-way or standard fixture. However, if the high-wattage filament fails, you'll only be able to use the bulb in a 3-way fixture.

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(Sylvania 18458) Incandescent 50/100/150 Watt A21 3-Way Light Bulbs (Case Of 12 Bulbs)