These bulbs lock into GU24 light sockets with a twist. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are commonly used in workspaces. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.

LED bulbs last longer and are more efficient than CFL bulbs. They generate little heat, withstand vibration, and are shatterproof.

CFL (compact fluorescent) bulbs are energy efficient but take several seconds to reach full brightness. They cannot be sold to Canada because they do not meet local efficiency standards and exceed local regulatory limits on mercury (for disposal information, visit www.epa.gov/cfl).

Often used in recessed can fixtures and track lighting, these bulbs produce a focused beam of light. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are commonly used in workspaces. Bulbs with a cool light appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.

BR and R bulbs have wide beam angles that create broad beams of light. Their length makes them good for use in large can fixtures.

PAR bulbs have narrow beam angles that provide more focused beams of light than other floodlights. A short length allows them to fit in small can fixtures without protruding.

LED bulbs last longer and are more efficient than other technologies. They generate little heat and withstand vibration. Plastic LED bulbs are shatterproof.

Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat. Bulbs that cannot be sold to the listed regions do not meet mercury and/or energy efficiency regulations.

Turn standard light bulb sockets into standalone floodlight fixtures using these bulbs, which have an aluminum reflector to focus light downward and add a finished look. Rated for use in damp locations, they withstand humidity and moisture. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. These bulbs have a cool light appearance, which is good for inspecting because it highlights white and blue tones. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.

These bulbs produce a narrower, more concentrated beam of light than floodlight bulbs. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are commonly used in workspaces. Bulbs with a cool light appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.

PAR bulbs have narrow beam angles that provide more focused beams of light than other spotlights. A short length allows them to fit in small can fixtures without protruding.

Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.

Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Color rendering index (CRI) is a measurement on a scale of 0-100 of how accurately the light from a bulb represents an object's true colors; the higher the number, the more natural the colors appear. Any CRI value over 80 will show colors true to life. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are often used in workspaces. Bulbs with a cool or daylight appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.

Fluorescent bulbs are energy efficient, but they contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl).

Bulbs that cannot be sold to the regions listed exceed local regulatory limits on mercury.

Replace high-intensity discharge (HID) lights with the longer-lasting, energy-efficient LEDs. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. LED lights are perceived as brighter at night than high-intensity discharge light technologies, so they require fewer lumens to provide the same brightness. Match your old light’s wattage to find the right LED bulb. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.

Ballast bypass bulbs eliminate the need for a ballast, so the socket must be wired directly to the power source.

Brightness is measured in lumens; the higher the lumens, the brighter the bulb.

2-way bulbs operate at two brightness levels, as in high- and low-beam headlights.

Brightness is measured in lumens; the higher the lumens, the brighter the bulb.

2-way bulbs operate at two brightness levels, as in high- and low-beam headlights.