1. Introduction
Thank you for choosing the JACKYLED E26 to E39 Light Socket Adapter. This product is designed to convert a standard E26/E27 medium base light socket to an E39/E40 mogul base, allowing for greater flexibility in your lighting solutions. This manual provides essential information for safe and effective use, including installation instructions, technical specifications, and maintenance guidelines. Please read this manual thoroughly before use and retain it for future reference.
2. Product Overview
The JACKYLED E26 to E39 Adapter is a reliable and durable solution for expanding your lighting options. It is constructed from PBT fireproof material, ensuring safety and high heat resistance.
2.1. Package Contents
- 3-Pack E26 to E39 Adapters
2.2. Key Features
- Versatile Application: Converts E26/E27 medium base to E39/E40 mogul base.
- High Power Capacity: Supports a maximum wattage of 660W and a maximum voltage of 230V.
- Durable Material: Made from PBT fireproof material, resistant to 200℃ heat with no flame hazard.
- Easy Installation: Simple plug-and-play design requires no tools.
2.3. Product Images






3. Safety Information
WARNING: To prevent electric shock, fire, or personal injury, always follow these safety precautions.
- Ensure the power supply to the light fixture is turned OFF before installation or removal of the adapter or bulb.
- Do not exceed the maximum wattage (660W) or voltage (230V) specified for this adapter. Overloading can cause overheating and fire hazards.
- This adapter is designed for dry indoor use unless the fixture itself is rated for outdoor or damp locations.
- Do not overtighten the adapter or the bulb. Excessive force can damage the adapter or the socket.
- If the adapter or bulb becomes excessively hot, flickers, or shows any signs of damage, immediately turn off the power and discontinue use.
- Keep out of reach of children.
- 100% safe from electric flaming, no fire hazard under normal operating conditions and within specified limits.
4. Setup and Installation
The JACKYLED E26 to E39 Adapter features a simple, tool-free installation process.
- Turn off Power: Before beginning, ensure the power to the light fixture or lamp where you intend to install the adapter is completely turned off at the circuit breaker or wall switch.
- Screw in Adapter: Carefully screw the E26/E27 (medium base) end of the adapter into your existing E26/E27 light socket. Turn clockwise until it is snug, but do not overtighten.
- Install Bulb: Screw your E39/E40 (mogul base) light bulb into the E39/E40 end of the adapter. Turn clockwise until the bulb is securely seated.
- Verify Fit: Ensure that the combined length of the adapter and the new bulb fits within your light fixture and that the lampshade (if any) can cover the bulb. The adapter increases the bulb's length by approximately 1.25 inches.
- Restore Power: Once the adapter and bulb are securely installed, turn the power back on to the light fixture.
5. Operation
Once properly installed, the JACKYLED E26 to E39 Adapter functions as a direct electrical conduit, allowing an E39/E40 mogul base bulb to operate in an E26/E27 medium base socket. There are no additional operational controls on the adapter itself. The light bulb will function according to its own specifications and the controls of your light fixture (e.g., wall switch, dimmer).
6. Maintenance
The JACKYLED E26 to E39 Adapter requires minimal maintenance. Follow these guidelines to ensure longevity and safe operation:
- Cleaning: Ensure power is off before cleaning. Wipe the adapter with a dry, soft cloth. Do not use liquid cleaners or abrasive materials.
- Inspection: Periodically inspect the adapter for any signs of wear, cracks, discoloration, or loose connections. If any damage is observed, discontinue use immediately and replace the adapter.
- Environment: Store and use the adapter in a dry environment, away from excessive moisture or extreme temperatures.
7. Troubleshooting
If you encounter issues with your JACKYLED E26 to E39 Adapter, consider the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light bulb does not turn on. | No power to the fixture, loose connection, faulty bulb, or adapter. | Check power supply. Ensure adapter and bulb are screwed in tightly. Test the bulb in another fixture or with a different adapter. |
| Adapter or bulb gets excessively hot. | Bulb wattage exceeds adapter's maximum rating (660W), poor ventilation, or internal damage. | Immediately turn off power. Ensure bulb wattage is within limits. Provide adequate ventilation around the fixture. If problem persists, discontinue use and replace. |
| Adapter appears damaged or broken. | Overtightening during installation, physical impact, or manufacturing defect. | Discontinue use immediately. The adapter cannot be repaired. Replace with a new adapter. |
| Bulb flickers or dims. | Loose connection, incompatible dimmer (if applicable), or faulty bulb/adapter. | Ensure all connections are snug. If using a dimmer, ensure both the bulb and fixture are dimmer-compatible. Test with a different bulb or adapter. |
If these steps do not resolve the issue, please contact JACKYLED customer support for further assistance.
8. Specifications
| Specification | Detail |
|---|---|
| Model Number | JK124-E27/E39-3Pcs |
| Base Type (Input) | E26 / E27 (Medium Base) |
| Base Type (Output) | E39 / E40 (Mogul Base) |
| Max Wattage | 660W |
| Max Voltage | 230V |
| Material | PBT Fireproof Material, Metal |
| Color | White |
| Product Dimensions | 1.9 x 5.3 x 3.6 inches (approximate for 3-pack) |
| Item Weight | 5.29 ounces (approximate for 3-pack) |
| Mounting Type | Surface mount |
9. Customer Support
JACKYLED is committed to providing high-quality products and excellent customer service. If you have any questions, concerns, or require assistance with your E26 to E39 Adapter, please do not hesitate to contact us directly. We strive to ensure a pleasant shopping experience and are ready to provide quick, easy-to-follow solutions.
For more information about JACKYLED products, please visit our official store: JACKYLED Store on Amazon.