Introduction
This manual provides essential information for the safe and efficient use of your TCP LED10R20D50K Dimmable LED - 10 Watt - R20 - 65W Equal - 700 Lumens - 5000K Stark White. Please read these instructions carefully before installation and operation, and retain them for future reference.
This product is a TCP 10 watt - 120 volt - R20 - Medium Screw (E26) Base - 5,000K - Smooth - Elite - Dimmable - Reflector Flood LED Light Bulb.
Safety Information
Always follow basic safety precautions when installing or using electrical products to reduce the risk of fire, electric shock, and personal injury.
- Ensure power is turned OFF at the circuit breaker before installation, removal, or inspection.
- Do not use with dimmers not specifically designed for LED bulbs, unless specified by the manufacturer.
- Do not disassemble or modify the bulb.
- Suitable for damp locations, but not for direct exposure to water.
- Operate within the specified voltage range (120 Volts).
- Avoid touching the bulb when it is hot.
Setup and Installation
This section outlines the steps for installing your LED bulb.
- Power Off: Before beginning installation, ensure the power to the fixture is turned off at the circuit breaker or fuse box.
- Remove Old Bulb: Carefully unscrew the existing bulb from the fixture. Allow it to cool if it was recently in use.
- Insert New Bulb: Screw the TCP LED10R20D50K bulb into the standard E26 medium screw base socket. Turn clockwise until snug, but do not overtighten.
- Restore Power: Turn the power back on at the circuit breaker.
- Test: Turn on the light switch to confirm proper operation.

Image: The TCP LED R20 Dimmable Bulb, showing its R20 shape and E26 medium screw base. This bulb is designed for easy installation into standard light fixtures.
Operating Instructions
The TCP LED10R20D50K is designed for simple operation.
- On/Off: Use your standard wall switch to turn the light bulb on or off.
- Dimming: This bulb is dimmable. For optimal performance, use with LED-compatible dimmers. Consult your dimmer's instructions for specific operation.
- Color Temperature: The bulb provides a 5000K Stark White light, suitable for areas requiring bright, clear illumination.
Maintenance
Proper maintenance ensures the longevity and performance of your LED bulb.
- Cleaning: Disconnect power before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid or abrasive cleaners.
- Replacement: Replace the bulb when its light output significantly diminishes or it ceases to function. Ensure power is off before replacement.
Troubleshooting
If you encounter issues with your TCP LED bulb, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up. | No power to the fixture; bulb not screwed in properly; faulty bulb. | Check circuit breaker. Ensure bulb is securely screwed in. Test bulb in another working fixture. |
| Bulb flickers or dims erratically. | Incompatible dimmer; loose connection; voltage fluctuations. | Ensure dimmer is LED-compatible. Check bulb connection. Consult an electrician if voltage issues are suspected. |
| Light output is too low. | Dimmer setting too low; bulb nearing end of life. | Adjust dimmer to maximum brightness. Consider replacing the bulb if it's old. |
Specifications
Detailed technical specifications for the TCP LED10R20D50K bulb:
| Feature | Specification |
|---|---|
| Brand | TCP |
| Model Number | LED10R20D50K |
| Light Type | LED |
| Wattage | 10 Watts |
| Equivalent Wattage | 65W Equal |
| Bulb Shape Size | R20 |
| Bulb Base | E26 (Medium Screw) |
| Voltage | 120 Volts |
| Color Temperature | 5000 Kelvin (Stark White) |
| Brightness | 700 Lumens |
| Dimmable | Yes |
| Material | Copper |
| Product Dimensions | 4.5 x 3.5 x 3.5 inches |
| Item Weight | 8 ounces |
| UPC | 762148258261 |
| Part Number | 25826 |
Warranty and Support
For warranty information or technical support regarding your TCP LED bulb, please contact TCP customer service directly. Refer to the product packaging or the official TCP website for the most current contact details and warranty terms.
Manufacturer: TCP
Model: LED10R20D50K





