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A 100 watt bulb will generate more heat than a 60 watt bulb. If the fixture is rated for 60 watts, 100 watts would be overloading its ability to withstand the heat generated. This can lead to the lamp catching fire (I've seen charred lamps before).

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15y ago
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15y ago

If I am correct you are referring to the note on lamps that says use max 60 watt bulb. Unless you have a special lamp such as a heat lamp. You shouldn't use a higher wattage bulb than recommended as the lamp shade could melt or become to hot and possibly catch fire. Think what could happen if the lamp shade touched the bulb, incandescent bulbs emit alot of heat. Also the wiring in the lamp may only be able to supply enough voltage to power a 60 watt or below bulb. I personally recommend you just use a cfl (you know the small spiral type) instead.

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Q: Why do lamps say only use 60 Watts bulb?
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