How do I decide which light bulb shape code I need?

To choose the right light bulb shape, consider the fixture you'll be using it in and look for the code (like A19, G25, or BR30) printed on your old bulb or in your fixture's specifications, ensuring a proper fit and desired light distribution. We offer <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/PAR38/LED/N-5yc1vZbmbuZ1z0vvrrZ1z0vxij?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">par38</a>, <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/T65/LED/N-5yc1vZbmbuZ1z0vvp9Z1z0vxij?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">t6.5</a>, and <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/T4/LED/N-5yc1vZbmbuZ1z0vvqwZ1z0vxij?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">t4</a>.

What are twist & lock and bayonet bases, and how are they different from screw-in bases?

<a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/Twist-Lock/N-5yc1vZbmbuZ1z21lyh?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">Twist & lock bases</a>, often seen in recessed lighting and some outdoor fixtures, don't screw in but instead lock into place by inserting and turning. <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/Bayonet/N-5yc1vZbmbuZ1z21mm5?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">bayonet bases</a>, recognized by their cylindrical shape and side pins, are commonly used in older fixtures and some specialty appliances. They don't use the traditional threaded screw-in design, so check the fixture before purchase.

Are tube lights only used in commercial settings, or can I use them at home?

While commonly used in garages and basements, <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs-Tube-Lights/N-5yc1vZbm3z?catStyle=ShowProducts?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">tube lights</a>, especially LED tube lights, are becoming increasingly popular for their energy efficiency and bright light in home workshops, under-cabinet lighting, and even for creating a modern, minimalist look in certain rooms. They offer a lot of options for different areas of the house.

What does "lumens" mean, and how does it relate to brightness?

"Lumens" measure how much light a bulb emits – the higher the lumens, the brighter the bulb! To determine the right bulb for your needs, our <a href="https://www.homedepot.com/c/ab/light-bulb-brightness/9ba683603be9fa5395fab9014959566a?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">Light Bulb Brightness guide</a> will explain how to choose the appropriate number of lumens to light up a room.

Does The Home Depot have different light bulb shapes?

Yes! We offer a variety of bulb shapes, including <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/Tubular/LED/N-5yc1vZbmbuZ1z0vxijZ1z21li9?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">tubular</a>, <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/Reflector/LED/N-5yc1vZbmbuZ1z0vxijZ1z132nb?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">reflector</a>, and <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/Corn-Cob/LED/N-5yc1vZbmbuZ1z0vxijZ1z17ix9?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">corn cob</a>.

Do you carry light bulbs that are compatible with my smart home?

Yes! We offer light bulbs that work with <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/LED/Samsung-SmartThings/N-5yc1vZbmbuZ1z0vxijZ1z19uqf?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">samsung smartthings</a>, <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/LED/Proprietary-App/N-5yc1vZbmbuZ1z0vxijZ1z19v02?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">proprietary app</a>, and <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/LED/Apple-HomeKit/N-5yc1vZbmbuZ1z0vxijZ1z19usf?emt=plpfaq_2508_lightbulbs" style="text-decoration: underline;">apple homekit</a>.