OttLite 15ED420
OttLite 15W Swirl Screw-in Light Bulb User Manual
Model: 15ED420
Introduction
This manual provides essential information for the safe and effective use of your OttLite 15W Swirl Screw-in Light Bulb. This compact fluorescent light bulb is designed to fit most standard light sockets, offering bright, natural daylight illumination. It is engineered to reduce eyestrain with its low-heat and low-glare properties, making it ideal for various indoor environments such as bedrooms, living rooms, home offices, and garages.

Image: The OttLite 15W Swirl Screw-in Light Bulb, showcasing its spiral design and standard screw base.
Safety Information
Please read and understand all safety instructions before installing or using this light bulb. Failure to do so may result in electric shock, fire, or other injuries.
- Risk of Electric Shock: Always turn off power to the fixture and allow the bulb to cool before replacing.
- Use in Dry Locations Only: This bulb is intended for indoor use in dry environments. Do not expose to water or excessive moisture.
- Total Enclosed Recessed Fixtures: Not suitable for use in totally enclosed recessed fixtures unless specifically rated for such use.
- Not For Use With Dimmer: This bulb is not compatible with dimmer switches. Using it with a dimmer may damage the bulb or the dimmer.
- Indoor Use Only: Designed exclusively for indoor lighting applications.
- Disposal: Dispose of fluorescent bulbs according to local regulations, as they may contain small amounts of mercury.
Setup and Installation
The OttLite 15W Swirl Screw-in Light Bulb features a standard Edison bulb base (E26), making it easy to install in most compatible light fixtures.
- Ensure Power is Off: Before installation, verify that the power supply to the light fixture is turned off at the circuit breaker or wall switch.
- Allow Cooling: If replacing an existing bulb, allow the old bulb to cool completely before handling.
- Screw in Bulb: Carefully screw the OttLite bulb into the light socket until it is snug. Do not overtighten.
- Restore Power: Once the bulb is securely installed, restore power to the fixture.

Image: The OttLite bulb with text indicating it is designed to fit most standard light sockets, highlighting its ease of installation.
Operation
Operating your OttLite 15W Swirl Screw-in Light Bulb is straightforward.
- Turning On/Off: Use the standard wall switch connected to your light fixture to turn the bulb on or off.
- Instant-On: This bulb provides instant illumination without flickering.
- Natural Daylight: Experience bright, natural daylight that helps reduce eyestrain and shows colors accurately.

Image: A person working at a desk, illuminated by an OttLite bulb, demonstrating the natural daylight effect that helps reduce eyestrain and improves visibility for detailed tasks.
Maintenance
The OttLite 15W Swirl Screw-in Light Bulb requires minimal maintenance.
- Cleaning: Ensure the bulb is cool and the power is off before cleaning. Wipe the bulb gently with a soft, dry cloth. Do not use liquid cleaners.
- Replacement: This bulb has an average life of up to 10,000 hours. Replace the bulb when it reaches the end of its lifespan or if it becomes damaged.

Image: The OttLite bulb with an infographic highlighting its lifespan of up to 10,000 hours and its energy efficiency, being equivalent to a 60-watt incandescent bulb.
Troubleshooting
If you encounter issues with your OttLite 15W Swirl Screw-in Light Bulb, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up. | No power to fixture, loose connection, or bulb has reached end of life. | Check power switch and circuit breaker. Ensure bulb is screwed in tightly. Replace bulb if it has exceeded its lifespan. |
| Bulb flickers. | Incompatible dimmer switch, loose connection, or voltage fluctuation. | Ensure no dimmer switch is in use. Tighten bulb. Consult an electrician if voltage issues persist. |
| Light output is dim. | Dust accumulation on bulb or fixture, or bulb nearing end of life. | Clean the bulb and fixture. Replace bulb if cleaning does not improve brightness. |
Specifications
Key technical specifications for the OttLite 15W Swirl Screw-in Light Bulb (Model: 15ED420):
- Brand: OttLite
- Model Number: 15ED420
- Light Type: CFL (Compact Fluorescent Light)
- Wattage: 15 Watts
- Incandescent Equivalent Wattage: 60 Watts
- Bulb Base: E26 (Standard Edison Screw)
- Light Color: Daylight
- Color Temperature: 5850 Kelvin
- Brightness: 900 Lumens
- Voltage: 120 Volts
- Average Life: Up to 10,000 Hours
- Special Feature: Energy Efficient, Low Heat, Low Glare
- Dimensions: Approximately 3.88"W x 7.06"H
- Weight: Approximately 2.89 ounces

Image: The OttLite bulb packaging, displaying key specifications such as 60W incandescent equivalent, 15W actual wattage, 900 lumens brightness, and estimated energy cost.
Warranty Information
This OttLite product comes with a 1-year warranty from the date of purchase. Please retain your proof of purchase for any warranty claims. The warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accident, modification, or unauthorized repair.
Support and Contact
For further assistance, technical support, or to inquire about replacement parts, please visit the official OttLite website or contact their customer service. You can find more information and products at the OttLite Store on Amazon.
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