JACKYLED JK104-E39 Adapter Light Bulb
INTRODUCTION
The best option for anyone who needs to convert from an E39 Mogul base to a more accessible E26 medium base is the JACKYLED JK104-E39 Adapter Light Bulb Converter. This UL-listed ceramic adapter, which is reasonably priced at only $7.99, is long-lasting and guarantees safe, effective conversion without sacrificing quality. It is a great option for high-wattage applications because it is made of sturdy ceramic and metal and can withstand temperatures of up to 392°F (200°C). Although it is incompatible with 3-way lights, it supports a range of LED or incandescent bulbs and can handle up to 660 watts at 250V. This device was introduced by reputable electrical accessory brand JACKYLED to assist customers in saving money while utilising standard E26 bulbs in their vintage or speciality lighting configurations. Small, light (only 3.84 oz), and simple to install, the JK104-E39 provides a useful way to increase interior lighting without having to replace or rewire existing fixtures.
SPECIFICATIONS
| Product Name | JACKYLED JK104-E39 Adapter Light Bulb |
| Model | JK104-E39 |
| Price | $7.99 |
| Function | Converts E39 Mogul socket to standard E26 medium base |
| Material | Metal and high-quality ceramic (not cardboard or bakelite) |
| Finish Type | Ceramic |
| UL Certification | Yes |
| Maximum Wattage | 660 watts |
| Voltage | 250V (Does not convert voltage) |
| Heat Resistance | Up to 392℉ (200℃), safe from electric flaming |
| Compatibility Note | Not suitable for 3-way bulbs |
| Installation Type | Screw-in |
| Mounting Type | Floor Mount |
| Lighting Method | LED |
| Usage | Indoor use only |
| Efficiency | Highly Efficient |
| Cordless | No |
| Product Dimensions | 1.6″ D x 1.6″ W x 2.2″ H |
| Item Weight | 3.84 ounces |
| Number of Pieces | 1 |
| Customer Support | High standard service; contact directly for assistance |
WHAT’S IN THE BOX
- Adapter Light Bulb
- User Manual
FEATURES
- E39 to E26 Conversion: Converts larger E39 mogul base sockets to standard E26 medium base, compatible with most household bulbs.
- UL-Listed Certification: Ensures tested safety and compliance with North American electrical standards.
- Ceramic and Metal Construction: High-quality, heat-resistant materials ensure durability and fire safety.
- 660-Watt Max Capacity: Supports high-wattage lighting applications, suitable for industrial and antique lamps.
- 250V Voltage Tolerance: Works efficiently with both 110V and 220V systems without altering voltage.
- Heat Resistant to 392℉ (200℃): Withstands high temperatures, reducing the risk of deformation or fire.
- Secure Bulb Fit: Provides a snug and safe grip for medium base bulbs without wobble or looseness.
- Antique Floor Lamp Compatible: Specifically recommended for antique or vintage floor lamps.
- LED-Compatible: Ideal for upgrading older CFL or incandescent fixtures to energy-efficient LED lighting.
- Indoor Use Only: Designed for safe use in dry, interior settings such as living rooms, offices, or workshops.
- Single Pack Value: Comes as a single, high-quality adapter for individual needs or replacements.
- Non-Ignitable Materials: Flame-resistant ceramic construction prevents ignition under regular conditions.
- Screw-in Mounting Type: No tools required; screws in like a regular light bulb.
- Not for 3-Way Bulbs: Clearly specified to prevent incompatibility issues.
- Lightweight and Compact: Weighs only 3.84 oz with a 2.2-inch height, easy to install in tight lamp housings.
SETUP GUIDE
- Turn Off Power First: Always power off the lamp or circuit before handling the socket.
- Remove E39 Bulb: Unscrew and safely store or discard the existing mogul base bulb.
- Check Socket Compatibility: Confirm your fixture uses an E39 mogul base before proceeding.
- Insert Adapter: Screw the ceramic adapter into the E39 socket clockwise until securely fitted.
- Install E26 Bulb: Screw your standard bulb into the top of the adapter just like a regular socket.
- Test Power: Restore power and ensure the bulb lights up properly without flickering.
- Avoid 3-Way Bulbs: Do not install 3-way bulbs as the adapter is not designed for them.
- Use Within Wattage Limits: Ensure bulb wattage does not exceed the 660W capacity.
- Handle with Care: Do not overtighten when screwing into the socket or installing the bulb.
- Use Only Indoors: Install only in dry indoor environments to prevent moisture exposure.
- Use with LED or CFL: Recommended for LED conversion but supports most standard bulb types.
- Allow Clearance for Adapter Height: Ensure your lamp’s shade or enclosure accommodates the 2.2″ height.
- Inspect Fixture Before Installation: Ensure the socket and wiring are in good condition.
- Secure Adapter: Double-check that the adapter is seated firmly in the socket to avoid poor connections.
- Store Packaging: Keep original packaging and warranty info in case of future support or return needs.
CARE & MAINTENANCE
- Unplug Before Cleaning: Always power off and unplug the lamp before handling or cleaning the adapter.
- Wipe with Dry Cloth: Clean surface dust or debris using a soft, dry microfiber cloth.
- Do Not Use Liquids: Avoid cleaning with wet wipes, sprays, or water as it may damage ceramic or metal.
- Inspect Regularly: Check for signs of wear, discoloration, or overheating periodically.
- Avoid Overheating: Use only with bulbs that fall within safe wattage ratings to prevent thermal damage.
- Store in Cool, Dry Place: When not in use, keep the adapter away from heat, moisture, or direct sunlight.
- Replace if Cracked or Warped: Discontinue use if the ceramic housing shows any visible damage.
- Keep Away from Children: Small and potentially sharp components; not safe for child handling.
- Label Adapter Use: Label if necessary for fixtures using the adapter to avoid confusion in mixed-use environments.
- Avoid Frequent Removal: Minimize removal and reinstallation cycles to extend thread life.
- Do Not Paint or Coat: Altering the surface can compromise heat dissipation and safety.
- Test During Seasonal Use: For lamps used seasonally (e.g., holiday décor), test the adapter before reusing.
- Monitor for Flicker or Buzzing: These signs may indicate a loose bulb or worn socket adapter.
- Ensure Firm Socket Connection: Loose socket connections can overheat or fail.
- Dispose Responsibly: If damaged, recycle according to local electronic waste regulations.
TROUBLESHOOTING
| Issue | Possible Cause | Solution |
|---|---|---|
| Bulb not lighting | Loose bulb or adapter not fully inserted | Tighten bulb and reinsert adapter securely |
| Overheating smell | Bulb exceeds wattage limit | Use bulbs ≤ 660 watts as specified |
| Adapter won’t fit in socket | Fixture may not support E39 base properly | Verify compatibility with E39 base sockets |
| Bulb flickering | Insecure bulb contact or voltage issue | Reinsert bulb; check for stable power source |
| Adapter feels hot | Extended usage with high-wattage bulb | Use lower wattage or allow cooling periods |
| Bulb wobbles | Loose fixture threads or misalignment | Check fixture threads and realign adapter |
| Breakage during installation | Excessive force or cross-threading | Install gently; align threads properly |
| Crackling noise | Voltage instability or incompatible bulb | Test bulb in another fixture or use a new bulb |
| Not compatible with dimmer switch | Adapter doesn’t support dimming function | Use with standard on/off switches only |
| Bulb turns off after short use | Overheating or faulty bulb | Let it cool and try with a certified LED bulb |
PROS & CONS
Pros:
- Heat-resistant ceramic body ensures safety
- Converts expensive E39 sockets to standard E26
- Supports high wattage up to 660W
- Durable and easy screw-in installation
- UL-listed for added reliability
Cons:
- Not compatible with 3-way bulbs
- For indoor use only
- Cannot convert voltage—physical size only
- Slightly bulkier than plastic adapters
- One-pack only; not ideal for bulk users
WARRANTY
The JACKYLED JK104-E39 Adapter comes with a 1-year limited warranty. This warranty covers material and manufacturing defects under normal indoor use. It does not cover misuse, voltage mismatches, or damage due to inappropriate bulb types (such as 3-way bulbs). JACKYLED guarantees high product standards and customer satisfaction.
FREQUENTLY ASKED QUESTIONS
What is the JACKYLED JK104-E39 Adapter used for?
The JACKYLED JK104-E39 Adapter converts an E39 mogul base socket to accept standard E26 medium base bulbs, making it easier and cheaper to find compatible bulbs.
What is the wattage and voltage rating of the JACKYLED JK104-E39 Adapter?
It supports up to 660 watts and 250 volts, allowing for high-powered lighting applications without risk of overheating.
How heat-resistant is the JACKYLED JK104-E39 Adapter?
It can safely withstand temperatures up to 392 (200)Degree, minimizing the risk of electric flaming or fire.
How do I install the JACKYLED JK104-E39 Adapter into a mogul socket?
Simply screw the adapter into the E39 socket, then screw in your E26 bulb. No tools or wiring are needed for installation.
Why isnt the bulb lighting up with the JACKYLED JK104-E39 Adapter installed?
Check if the adapter is fully screwed into the E39 socket and ensure the E26 bulb is also tightly secured. Try another bulb or adapter to isolate the issue.
What should I do if the JACKYLED JK104-E39 Adapter feels loose in the socket?
Confirm that the E39 socket is not worn or damaged. Try gently tightening the adapter. If it still feels loose, test it in a different fixture.
What type of fixtures is the JACKYLED JK104-E39 Adapter best suited for?
This adapter is ideal for antique floor lamps or any indoor fixtures using E39 mogul sockets that need a conversion to E26 bulbs.