SATCO Lighting S21251 4.5W G40 LED, White, Medium Base, 90 CRI, 4000K, 120V

Yes. The S21251 is an enclosed rated lamp, so it can go in a closed globe, jar fixture, or sealed pendant without voiding the rating. It also carries a Wet location rating and is rated indoor/outdoor, which covers covered porches, exterior sconces, and damp-area fixtures.

The S21251 is a dimmable lamp on 120V line voltage. At 4.5W it draws only 0.038A, so an older incandescent dimmer with a high minimum load may flicker or fail to dim smoothly unless you have enough lamps on the circuit or use an LED-rated dimmer.

350 lumens at 4.5 watts, rated as a 40W incandescent equivalent. So you keep roughly the same brightness in a vanity bar or pendant while cutting the load to about a ninth of the original wattage, which matters when you're putting six or eight lamps on one bathroom fixture.

4000K is a neutral white, noticeably crisper than the 2700K warm glow most guest rooms and residential baths use. It reads clean and modern, and it's common in commercial restrooms, multi-family common areas, and back-of-house. If you're matching existing warm-white decorative globes, this lamp will look cooler beside them. Colour rendering is 90 CRI, which is strong for skin tones and finishes at the mirror.

Any orientation. Burning position is universal, so base-up in a ceiling pendant, base-down in a vanity bar, or horizontal in a sconce all work. With a 320 degree beam spread it throws light nearly all the way around the lamp, so it fills an open globe or bare-socket fixture evenly rather than pushing light one direction.

It's the white finish version. The lamp uses LED filament construction with a glass envelope and nickel plated aluminum base, so you get the filament-style build but with a diffused white glass rather than a clear bulb showing exposed filament strips. Good where the bulb is visible and you don't want glare off bare filaments.

Yes, the S21251 is Title 24 compliant, which is what a California spec or permit inspection will ask about for residential lighting. It's also FCC compliant. It is not DLC listed, so if your utility rebate program requires a DLC qualified product, this lamp won't qualify for it.

No. The S21251 is a single-level lamp, not three-way. In a 3-way socket it will run at one output level on one of the switch positions rather than stepping through low, medium, and high. For a three-level fixture you need a lamp specifically built as three-way.

Yes, within the fixture's own rating. The lamp itself is wet location rated and listed for indoor and outdoor use, so exposure to rain-driven moisture inside a fixture is within spec. The fixture housing still has to be the rated enclosure, the lamp rating doesn't upgrade a dry-location luminaire.

Rated average life is 15,000 hours. On a hotel corridor or common-area fixture burning around 12 hours a day, that's roughly three and a half years between relamps, which is why these get specified for high-ceiling or hard-access decorative fixtures.