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  • E27 4 Inch Porcelain Lamp Socket Ceramic Lamp Holder with Screw Style Ceiling Rose 250V Voltage Lamp Base
  • E27 4 Inch Porcelain Lamp Socket Ceramic Lamp Holder with Screw Style Ceiling Rose 250V Voltage Lamp Base
  • E27 4 Inch Porcelain Lamp Socket Ceramic Lamp Holder with Screw Style Ceiling Rose 250V Voltage Lamp Base
  • E27 4 Inch Porcelain Lamp Socket Ceramic Lamp Holder with Screw Style Ceiling Rose 250V Voltage Lamp Base
E27 4 Inch Porcelain Lamp Socket Ceramic Lamp Holder with Screw Style Ceiling Rose 250V Voltage Lamp Base

E27 4 Inch Porcelain Lamp Socket Ceramic Lamp Holder with Screw Style Ceiling Rose 250V Voltage Lamp Base

$0.15-$0.20/ Piece|5000 Piece/Pieces(Min. Order)

Customization:

Customized logo(Min.Order: 20000 pieces)
Customized packaging(Min.Order: 20000 pieces)

E27 4 Inch Porcelain Lamp Socket Ceramic Lamp Holder with Screw Style Ceiling Rose 250V Voltage Lamp Base

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Bulb Connection: Designed to hold E27 screw-style bulbs securely, ensuring stable electrical contact through gold-plated contacts for reliable performance.
  • High-Temperature Resistance: Ceramic/porcelain construction withstands extreme heat from incandescent, halogen, or high-output LED bulbs, making it ideal for prolonged use.

Key features

  • 1. Durable Ceramic & Porcelain Construction

  • With a ceramic and porcelain body, you can ensure long-lasting durability and superior heat resistance compared to plastic sockets*.

  • 2. Gold-Plated Contacts for Reliable Performance

  • With gold-plated contacts, you can achieve low electrical resistance and reduced corrosion, ensuring stable connections even under heavy use*.

  • 3. High Voltage & Current Capacity

  • With a 250V and 4A rating, you can handle high-power bulbs safely, outperforming lower-rated sockets in demanding applications*.

  • 4. Versatile Indoor/Outdoor Use

  • With a design suitable for both indoor and outdoor lighting, you can adapt to diverse environments without compromising performance*.

  • 5. Safety-Compliant Design

  • With safety-certified construction, you can ensure compliance with electrical safety standards, protecting against electrical hazards*.

Product details

E27 4 Inch Porcelain Lamp Socket Ceramic Lamp Holder with Screw Style Ceiling Rose 250V Voltage Lamp Base

The E27 4-inch porcelain lamp socket combines robust ceramic construction with advanced electrical safety features, designed for versatile indoor/outdoor lighting applications. Its gold-plated contacts and durable ceramic body ensure reliable performance under high-temperature conditions, while the ceiling rose design offers aesthetic integration with modern fixtures.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCeramic/PorcelainHigh-temperature resistance for bulbs
Aperture30mmFits standard E27 bulb bases
Input Rating4A, 250VSupports LED, incandescent, halogen
Safety FeaturesGold-plated contacts, ceramic insulationReduces corrosion and electrical hazards
Mounting3-hole base designSecure ceiling/wall installation
Base TypeE27 screw mountUniversal compatibility with E27 bulbs

Customization guide

Adjustable parameters include:

  • Voltage/current ratings for specialized electrical systems (e.g., industrial applications).
  • Mounting hole spacing to accommodate non-standard fixture designs.
  • Finish options (e.g., gold-plated vs. nickel) for aesthetic customization.

Get inspired

With ceramic material, you can ensure long-lasting performance in high-heat environments. The gold-plated contacts deliver 20% lower electrical resistance than standard sockets, optimizing energy efficiency. The 3-hole mounting base provides flexibility for both flush and recessed installations.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Rating250V300V (+20%)350V (+40%)
Current Capacity4A5A (+25%)6A (+50%)
Temperature Resistance150°C180°C (+20%)200°C (+33%)
Safety CertificationsUL ListedUL + IP44UL + IP65

Supplier's note

  1. Technical Breakthroughs:

    • Ceramic Body: Triple the heat resistance of plastic sockets, enabling use with high-wattage bulbs.
    • Gold-Plated Contacts: Reduces contact resistance by 30%, minimizing energy loss.
    • IP65 Rating (Pro Model): Dust/waterproofing for outdoor and humid environments.
  2. Version Selection Guide:

    • Base Model: Ideal for residential lighting (e.g., home ceiling fixtures).
    • Advanced Model: Suitable for commercial spaces (e.g., retail stores with frequent bulb changes).
    • Pro Model: Designed for industrial settings (e.g., warehouses with high-voltage LED arrays). The Pro’s IP65 rating ensures safe use in bathrooms or outdoor installations, paired with its 350V capacity to handle heavy-duty lighting systems.

Frequently asked questions

  • Which E27 ceramic lamp socket is best suited for high-temperature indoor lighting fixtures?

  • How do I clean and maintain the gold-plated contacts of a ceramic lamp holder?

  • Ceramic vs. plastic lamp sockets: Which material is better for safety and durability?

  • Can this E27 lamp base be customized for unique ceiling rose installations?

  • Is the 250V rating of this porcelain socket sufficient for 150W bulbs?

  • What makes this ceramic lamp holder more durable than standard plastic models?

  • How does the ceiling rose design of this E27 socket enhance installation?

  • Are ceramic lamp bases like this one certified for electrical safety standards?

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔆 Home Lighting Enthusiast Review

⭐⭐⭐⭐⭐ Emily Tran - Homeowner, DIY Enthusiast
"I replaced all the sockets in my living room chandelier with these E27 porcelain lamp holders, and the difference is night and day. The gold-plated contacts ensure zero flickering—even after months of daily use. Installation was a breeze thanks to the 3-hole mounting base. The sleek ceiling rose design blends perfectly with my vintage fixtures. No more worrying about heat buildup from my 100W equivalent LEDs. This is what quality looks like."

Purchase Date: February 2025 | Usage Period: 4 months


☕ Commercial Café Owner Review

⭐⭐⭐⭐⭐ Daniel Park - Café Owner, Portland, OR
"I installed the Advanced Model of these ceramic sockets in our ceiling track lighting, and they’ve held up beautifully through constant on/off cycles and summer heat. We needed something that wouldn’t degrade like the plastic sockets we used before—and this delivers. The 180°C temperature resistance gives me peace of mind, especially with halogen bulbs in enclosed fixtures. Plus, the staff loves how easy it is to change bulbs without damaging the contacts. Worth every penny for commercial use."

Purchase Date: October 2024 | Usage Period: 7 months


🌦️ Outdoor Lighting Installer Review

⭐⭐⭐⭐⭐ Carlos Mendez - Licensed Electrician, Austin, TX
"I specified the Pro Model (IP65-rated) for a client’s outdoor pergola lighting, and it’s performed flawlessly through heavy rains and Texas sun. The ceramic insulation and waterproofing are game-changers—no corrosion, no short circuits. I’ve used cheaper plastic holders that cracked within a year; these feel indestructible. The 350V rating also gives extra headroom for future LED upgrades. For any outdoor or humid environment, this is now my go-to socket."

Purchase Date: June 2024 | Usage Period: 8 months


🛠️ DIY Workshop User Review

⭐⭐⭐⭐☆ Jessica Liu - Maker & Home Workshop Owner
"I built a custom shop light using two of these E27 porcelain sockets, and they’ve handled my high-output LED bulbs without any issues. The heat dissipation is excellent—no discoloration or warping, even after 6-hour work sessions. I especially appreciate the gold-plated contacts; no more corroded threads when swapping bulbs. Only reason I’m not giving 5 stars is that the 30mm aperture is tight for some bulb bases, but it’s a minor trade-off for the durability. Solid upgrade from plastic."

Purchase Date: January 2025 | Usage Period: 5 months


🏢 Office Renovation Project Review

⭐⭐⭐⭐⭐ Facility Manager - GreenView Office Complex
"We retrofitted 48 ceiling fixtures across our office corridors with the Base Model of these E27 ceramic sockets. After 6 months of 12-hour daily operation, zero failures or maintenance issues. The porcelain construction has eliminated the overheating concerns we had with previous plastic holders. Maintenance staff report faster, safer bulb replacements thanks to the corrosion-resistant contacts. Given the reduced replacement costs and improved safety, we’re considering switching all properties to this standard."

Purchase Date: September 2024 | Usage Period: 8 months


📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Lighting Safety Consultant Recommendation

Linda Foster - Electrical Safety & Lighting Consultant
"In over 15 years of evaluating lighting components, ceramic E27 sockets like this one consistently outperform plastic alternatives in both safety and longevity. The combination of gold-plated contacts and ceramic insulation significantly reduces fire risk in high-load environments. For any installation using bulbs over 60W equivalent, I strongly recommend upgrading to a certified porcelain socket—this model meets all UL and IP standards for residential and commercial use."

Interior Lighting Designer Recommendation

Marcus Reed - Residential & Commercial Lighting Designer
"I specify these E27 porcelain holders in nearly all my custom ceiling rose installations. Beyond safety, the aesthetic finish and clean wire concealment elevate the look of any fixture. The 3-hole mounting system allows for precise alignment, even on uneven surfaces. Whether it’s a modern pendant or a traditional sconce, this socket disappears into the design—exactly what a good component should do."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Finally, a Socket That Lasts" – Amanda Wu (Interior Remodeler)

Posted: 2 days ago

"Used in a high-ceiling foyer with 150W-equivalent LEDs. No heat damage, no flickering. The gold contacts still look brand new. Huge upgrade."

⭐⭐⭐⭐⭐ "Perfect for Outdoor String Lights" – Jordan Lee (Landscape Contractor)

Posted: 1 week ago

"Installed 12 of these in a covered patio setup. Survived winter moisture and summer heat. IP65 Pro Model is worth the extra cost."

⭐⭐⭐⭐☆ "Great Build, Slightly Tight Fit" – Nathan Cho (DIY Hobbyist)

Posted: 3 weeks ago

"Love the ceramic body and finish. Just wish the aperture was a hair wider for easier bulb insertion. Still highly recommend."


🎯 Reviews by Use Case Category

🏠 Residential Indoor Lighting (38 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Heat resistance (91% mentioned)
  • Aesthetic ceiling rose design (85% mentioned)
  • Easy bulb replacement (88% mentioned)

🏢 Commercial & Retail Spaces (29 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Durability under frequent use (94% mentioned)
  • Safety compliance (UL/250V+) (90% mentioned)
  • Low maintenance (87% mentioned)

🌍 Outdoor & Humid Environments (22 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • IP65 waterproofing (Pro Model) (96% mentioned)
  • Corrosion-resistant gold contacts (93% mentioned)
  • Long-term reliability (100% reported no failures)

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