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Check the Wattage Before You Install a Dimmer Switch

Make sure the one you chose can handle the wattage

FH11OCT_REPDIM_01-2Family Handyman
Not all dimmer switches are the same, and if you buy one that's not rated for the total wattage of the lights it controls, you could have problems. Check the fine print before you buy.

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Read the labels

Check the rating

Make sure the wattage rating on your new dimmer is at least as high as the old one.

CFL compatibility

If you’re dimming CFL bulbs or LED bulbs, make sure you buy a switch that can handle the wattage and that can be used with those types of bulbs.

If youre installing a dimmer switch, keep in mind that each switch is rated to handle a maximum wattage. If youre trying to dim six 100-watt lightbulbs, use a switch rated for at least 600 watts. Newer models are fairly generous with their allowances (usually about 600 watts), but that wont cut it if youre trying to dim seven 100-watt bulbs.

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here’s a list.

  • Dimmer switch