Why do some lamps and other fixtures require two turns to turn on and off?

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Why do some lamps and other fixtures require two turns to turn on and off?

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Anonymous 0 Comments

They’re 3-way switches, but you apparently did not put a 3-way bulb in the lamp… using a 3-way bulb would allow the lamp to have 3 brightness settings. If you use a standard bulb, it’s two turns on, two turns off instead of low, medium, high, off.

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