Introduction
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your SYLVANIA 24082 FB40/D41/6 U-Shaped T12 Fluorescent Tube Light Bulb. Please read this manual thoroughly before use and retain it for future reference.
Safety Information
Always observe basic safety precautions when installing or replacing fluorescent light bulbs. Failure to do so may result in electric shock, fire, or personal injury.
- WARNING: Turn off power at the circuit breaker or fuse box before installation or removal.
- Do not use this bulb with dimmers unless specifically rated for fluorescent dimming systems.
- Handle the bulb carefully to avoid breakage. Broken glass can cause injury.
- Ensure the fixture is compatible with T12 U-shaped fluorescent bulbs with 6-inch leg spacing and a medium bi-pin base (G13).
- Dispose of fluorescent bulbs according to local regulations, as they contain small amounts of mercury.
Product Overview
The SYLVANIA 24082 is a 40-watt, U-shaped T12 fluorescent tube light bulb designed for indoor use. It features a cool white light with a color temperature of 4100 Kelvin and provides 3050 lumens of brightness. Its average lifetime is 18,000 hours.

Image: SYLVANIA 24082 FB40/D41/6 U-Shaped T12 Fluorescent Tube Light Bulb. This image shows the U-shaped glass tube with the bi-pin connectors at each end of the 'U' bend.
Setup and Installation
- Power Off: Before beginning installation, ensure the power supply to the fixture is completely turned off at the circuit breaker or fuse box.
- Remove Old Bulb (if applicable): If replacing an existing bulb, carefully twist the old bulb to align the pins with the slots in the lampholder, then gently pull it out.
- Inspect Fixture: Check the lampholders for any damage or corrosion. Ensure they are clean and in good working condition.
- Insert New Bulb: Align the two pins on each end of the SYLVANIA 24082 bulb with the slots in the lampholders. Gently push the bulb into the lampholders until the pins are fully seated, then twist the bulb slightly to lock it into place. Ensure the bulb is securely seated and the 6-inch leg spacing is accommodated by the fixture.
- Power On: Once the bulb is securely installed, restore power to the fixture at the circuit breaker or fuse box.
- Test: Turn on the light switch to verify proper operation.
Operating Instructions
This fluorescent tube operates with a compatible fluorescent ballast. Simply use the standard wall switch or fixture control to turn the light on and off. This bulb is designed for instant-start or rapid-start fluorescent fixtures.
- Initial Start-up: It may take a few seconds for the bulb to reach full brightness upon initial power-on, especially in colder environments.
- Frequent Switching: Frequent switching on and off can reduce the lifespan of fluorescent bulbs. It is recommended to leave the light on for extended periods when in use.
Maintenance
- Cleaning: Ensure power is off before cleaning. Gently wipe the bulb with a soft, dry, lint-free cloth. Do not use liquid cleaners directly on the bulb.
- Replacement: Replace the bulb when it reaches the end of its useful life (indicated by flickering, dimming, or failure to ignite). Always replace with a bulb of the same type and wattage to ensure compatibility and optimal performance.
- Fixture Inspection: Periodically inspect the fixture wiring and lampholders for signs of wear, damage, or loose connections.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up. |
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| Bulb flickers or hums. |
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| Reduced light output. |
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Specifications
| Model Number | 24082 |
| Type | U-Shaped T12 Fluorescent Tube |
| Wattage | 40 Watts |
| Color Temperature | 4100 Kelvin (Cool White) |
| Brightness | 3050 Lumens |
| Color Rendering Index (CRI) | 70 |
| Average Lifetime | 18,000 hours |
| Base Type | Medium Bi-pin (G13) |
| Leg Spacing | 6 inches |
| Indoor/Outdoor Use | Indoor |
Disposal Information
This product contains mercury and must be disposed of in accordance with local, state, and federal laws. Do not dispose of with regular household waste. For recycling options, please visit www.epa.gov/mercury or contact your local waste management authority.
Warranty and Support
For warranty information or technical support regarding your SYLVANIA product, please refer to the packaging or visit the official SYLVANIA website. Keep your purchase receipt as proof of purchase for any warranty claims.
Manufacturer: Sylvania
Brand: SYLVANIA
Contact: Refer to official SYLVANIA channels for customer service.