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How many people does it take to change a light bulb? Just one: You.
In principle, changing a light bulb is easy—one of the first home improvement tasks many people learn in childhood. The light bulb market has grown larger and more complex in recent years, meaning the range of different types of fittings you need to know how to change has grown. We’ll walk through the steps to change a variety of different kinds of household light bulbs after they burn out—as well as what to do when you’ve got a bulb that’s broken or stuck in the socket.
Your new bulb must not exceed the wattage rating of your fixture; otherwise, you risk overheating the wires and potentially causing a fire. Most fixtures specify the maximum wattage rating on or near the socket. Only purchase light bulbs at or below this rating before proceeding.
Some multi-bulb fixtures will list a total maximum wattage—in this case, add up the wattage rating of each bulb to confirm it doesn’t exceed the maximum.
Any time you are working with electrical fixtures, you should be certain the power is off.
If the fixture is connected to a switch, confirm that it’s in the off position.
If it’s a plug-in fixture, flip the switch and unplug it.
If you’re not certain, turn the button to “off” on your circuit breaker or fuse box.
If you’re using an incandescent, halogen incandescent, or CFL bulb, let the bulb cool before touching it. To determine whether the bulb is giving off heat, bring the back of your hand close to the bulb.
If you’re changing an overhead fixture, or any light that’s out of reach, don’t use a chair or precariously balance on something meant for another purpose. Stand on a sturdy step stool or an A-frame ladder. You can also use a light bulb changer kit with an extender pole if you have high ceilings and prefer to avoid a ladder.
Next, you must make way for your new bulb. The exact process of removing the old bulb depends on the type of light bulb and fitting you have.
Screw fitting: Simply turn the bulb counter-clockwise until it is loose.
Fluorescent tube: Use both hands for support and twist the tube counterclockwise until the lamp holders rotate, snapping it out of place. Confirm that the fitting is not burned or darkened. If it is, contact a local electrician to inspect the fitting.
GU fitting in a halogen or LED lamp: Wear gloves and use two fingers to press the lamp inward and turn it counterclockwise while applying pressure. Once fully turned, release the pressure and pull down gently. If the lamp is stuck, wiggle it until the cylindrical wings align with the openings.
Complex Fluorescent (CFL): Grasp the plastic part at the bulb's base (called the ballast). Pull up until the bulb pops out. If the puns on the bulb catch, wiggle it gently until they release.
As with removing the old bulb, the process of replacing it will depend on the type of fitting:
Screw fitting: Align the bulb with the socket and turn it clockwise until it’s tightly in place.
Fluorescent tube: Avoiding the pins, hold the tube at both ends with each hand. Align the pins with the ballast and press it into the fitting, turning it until it clicks into place.
GU fitting: Fit the prongs from the lamp into the openings on the socket. Press the prongs inward using your thumbs and turn the lamp clockwise until tight.
CFL: Align the pins on the bulb with the openings on the fixture and gently push it into place until it locks.
Before cleaning up, switch the fuse back on and flip the switch to confirm that the new bulb is good and that everything is working.
Every bulb has a different chemical composition, so you’ll need to ensure you take the proper steps to dispose of them responsibly.
Incandescent bulbs: Trash compatible. Just make sure to encase them in the packaging from the new bulb, or wrap them in paper towels to minimize the dangers of shattered glass.
Halogen bulbs: Recyclable—but it can be difficult to find recycling centers that accept them. Discuss your options with local recycling and garbage collection organizations. If you cannot find a means of recycling them, throw them in the garbage, taking the same safety measures as you would with an incandescent bulb.
Fluorescent tubes: Not eligible for pick-up by curbside waste management services because they contain mercury and shatter easily. Contact a local recycling center or one of the drop-off locations mentioned below.
CFL bulbs: Recyclable at a local recycling center that can carefully dispose of bulbs with mercury or one of the drop-off locations listed below.
LED bulbs. Check with your local recycling centers to see if they accept them—but many do not because they contain lead and arsenic, among other hazardous materials.
In addition to local waste management and recycling companies (search the database at Earth911 to identify nearby options), a handful of large home improvement chains across the United States accept lightbulbs for safe disposal.
For most household light bulb changes, a DIY approach will be more than adequate. If you have to change or install a light bulb in your ceiling or another hard-to-reach spot, consider using an extended light-changing pole, available at most hardware and online stores.
Consult a local electrician if you’re concerned about the fixture or are facing chronic problems like flickering lights, buzzing or other noises, or bulbs that are dimmer than they should be. Expect to pay between $50 and $100 per hour. If the bulb is too high to reach safely, you can hire a local handyperson.
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