Start your search by choosing your bulb shape. Most shapes are available in multiple cap sizes and bulb types, including LED, CFL, halogen, and incandescent.
42 watt light bulbs are commonly halogens or energy saving fluorescnets. 42 watt bulbs can safely be used in fixtures with a maximum of 42 watts or more. Maximum wattage information can typically be found printed inside the lamp socket.
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