Industry Insight: Led E26 Base Bulb

Introduction – Why the E26-base LED Bulb Still Drives Commercial Projects

The Edison 26 mm screw base remains the de-facto interface for millions of pendant, sconce, down-light and high-bay fixtures across North America, Japan and the Pacific Rim. Converting those sockets to LED is no longer a question of “if” but of “how fast” and “with whom.” Utility rebates are tightening, end-users expect 50 000 h L70 life, and customs officers on three continents now open every master carton looking for genuine ETL/CE labels. A mis-labelled shipment equals demurrage, re-inspection fees and lost shelf space—costs that erase the margin on a 4 W filament bulb just as quickly as on a 36 W HID-replacement A21.

Market Demand – Quality Becomes the Bottleneck

Driver of Demand	2020-2023 CAGR	Procurement Pain Point
Office re-lamping (50–100 lm/W retrofit)	11 %	Non-conforming CE file → EU customs hold
Low-voltage solar lighting (12–80 V DC)	18 %	Driver labelled 120 V only; warranty void
HID replacement (100–277 V)	9 %	Fake ETL label → whole PO rejected by big-box retailer

Importers that built their brand on “dollar-store” SKUs are now scrambling for SKUs that can pass a 6 kV surge test and still sell for less than US $3.50 ex-works. The only reliable shortcut is a factory whose test reports are already on file with Intertek and TÜV.

Beauty STC Lighting – 1998 to Today

Founded in Jiangmen, Guangdong, in 1998, Beauty (STC) Manufacturing Co., Ltd has shipped north of 120 million LED light sources to 50+ countries. Every E26-base SKU leaves a 40 000 m² ISO-compliant plant only after three rounds of 100 % hi-pot and 2 h ageing. Our in-house CNAS laboratory keeps the original ETL and TÜV CE files updated yearly—no third-party “letter of authorization” games.

OEM/ODM Capabilities at a Glance

Service	Turn-around	Tooling Cost	Min. Order
Custom CCT (1800–6500 K)	7 days	$0 (bin-select)	1 000 pcs
Private-label blister / carton	10 days	$300	500 pcs
Driver re-design (100–277 V → 12–80 V)	15 days	$1 200	3 000 pcs
Laser-etched PO# for project tracking	3 days	$0	100 pcs

Whether you need a 4 W filament ST64 for a boutique hotel or a 20 W 2 700 lm A21 for a 14 ft warehouse socket, the lamp ships with valid ETL control number 5012 899-001 and TÜV CE file 44 78 14 82342 033—ready for same-day customs clearance in Los Angeles, Rotterdam or Busan.

Contact the factory export desk today for a password-protected data pack:
[email protected] | +86 139 0288 5704

---

Technical Specs & Certifications (ETL/CE)

Technical Specifications & Quality Standards for E26 LED Bulbs

Luminous Efficacy and Energy Efficiency

High luminous efficacy is critical for reducing energy consumption without compromising illumination. Beauty STC’s E26 bulbs achieve 120–140 lumens per watt through precision-engineered drivers and high-efficiency LED chips. This exceeds typical generic offerings (80–100 lm/W), delivering measurable operational cost savings for commercial and industrial applications while meeting strict international energy efficiency standards.

Color Rendering Index (CRI) and Chromatic Consistency

Accurate color representation is essential for architectural and commercial lighting. Beauty STC maintains CRI >90 (Ra) across all E26 products using premium LED bins, ensuring consistent color temperature (±300K) within batches. Generic alternatives often exhibit CRI 80–85 with noticeable color shift between units, leading to inconsistent visual quality in multi-lamp installations.

IP Ratings and Environmental Protection

Standard E26 bulbs are designed for indoor use with IP20 protection. For applications requiring moisture resistance (e.g., covered outdoor fixtures), Beauty STC offers IP44-rated variants with sealed housings and gasketing, meeting IEC 60529 standards. All products undergo rigorous environmental testing to ensure long-term reliability in specified conditions.

PCB Design and Thermal Management

Thermal management is critical for LED longevity. Beauty STC utilizes 1.5mm+ high-conductivity aluminum PCBs with thermal vias and optimized heat sink designs, reducing junction temperatures by up to 20°C compared to generic FR-4 alternatives. This design minimizes lumen depreciation and extends service life, critical for high-use commercial environments.

Parameter	Generic Market Quality	Beauty STC Certified Quality
Luminous Efficacy	80–100 lm/W	120–140 lm/W
CRI (Ra)	80–85	>90
IP Rating	IP20 (standard)	IP20 standard; IP44 available for damp locations
PCB Material	FR-4 or thin aluminum	1.5mm+ high-conductivity aluminum PCB
Thermal Management	Basic passive cooling	Optimized thermal design with heat sinks and thermal vias
Lifespan (L70)	15,000–25,000 hours	50,000 hours
Certifications	Often unverified or incomplete	ETL (USA/Canada), TUV CE (Europe)

Beauty STC ensures consistent product quality through rigorous in-process controls and third-party certifications. Every batch undergoes automated optical inspection (AOI), in-circuit testing (ICT), and 24-hour burn-in testing to validate thermal performance and electrical stability. Our 25+ years of manufacturing experience (established 1998), combined with adherence to international standards, guarantees dimensional accuracy and performance reliability across all E26 bulb configurations. OEM/ODM services are available to tailor specifications for specialized applications, with full documentation and traceability for compliance with international project requirements.

For technical datasheets, custom specifications, or project-specific validation, contact our engineering team at [email protected] or +86 13902885704.

---

Factory Tour: Manufacturing Excellence

Manufacturing Process & OEM Services – Jiangmen Headquarters

Beauty (STC) Manufacturing Co., Ltd. has operated a vertically-integrated, ISO-guided facility in Jiangmen’s High-tech Industrial Zone since 1998. The plant is purpose-built for North-American and European specification work, with every E26-base LED bulb carrying dual ETL & CE/TUV file numbers traceable to our in-house 10-digit QA ledger.

1. Production Flow Overview

Stage	Equipment / Protocol	Key Parameter	Output Rate
Solder-paste printing	DEK Horizon 03iX (±12 µm repeatability)	0.12 mm stencil	120 k pc/h
SMT pick-and-place	Juki FX-3R (6-head) + Yamaha Σ-G5S	0402–5050 LED, 0.05 mm accuracy	150 k cph
Reflow	Vitronics Soltec XPM820, 10-zone	230 °C peak, N₂ atmosphere	ΔT ≤ 5 °C across panel
Automated Optical Inspection	Koh Young Zenith 2	15 µm pixel, 3-D coplanarity	0.15 s / shot
Wave-selective soldering	ERSA Versaflow 3/45	260 °C, SAC305 alloy	<50 ppm solder joint void
Assembly & base locking	Servo press (500 kgf)	2.2 N·m torque on Edison screw	CpK ≥ 1.67
Ageing & burn-in	168 h @ 45 °C ambient, 0-220 V 50/60 Hz	<0.2 % early failure	100 % lot
Photometric & EMI test	2 m integrating sphere (Everfine), 3 m chamber	CCT ±100 K, SDCM ≤ 5	Full IES, LM-80 data

2. Reliability & QC Protocols

100 % hi-pot: 1.5 kVac E26 shell-to-circuit, <5 mA leakage
100 % ground continuity: <0.1 Ω shell-to-sleeve
4 h thermal cycle –40 ↔ 85 °C (30 min dwell) on 2 % sampling; drives ≤10 % lumen drop
ISTA-6 Amazon drop test pass on all retail-ready cartons (10-edge, 12-corner sequence)
Traceability: laser-etched 14-digit code (line-shift-date) + QR for photometric report retrieval

3. OEM / ODM Capability for E26 LED Bulbs

Customisable Item	Factory Option	Min. Run	Lead-Time
Wattage / Lm	4 W – 40 W (450 lm – 5,500 lm)	500 pcs	25 days
CCT & CRI	1,800 K – 6,500 K, CRI 70 / 80 / 90+	500 pcs	25 days
Base hardware	E26, E26d (dual-contact), E26-to-E39 adapter	1,000 pcs	30 days
Optics	Clear, frosted, opal, full-glass, filament LED	1,000 pcs	30 days
Driver characteristic	120 Vac, 120–277 Vac, 12–80 Vdc, 0–10 V dim, TRIAC, DALI-2	500 pcs	30 days
Mechanical height	A15, A19, A21, A23, G25, ST64, T10 tube (custom ≤ 310 mm)	1,000 pcs	30 days
Packaging	brown/white box, shrink + card, blister, PDQ, color sleeve	500 pcs	25 days
Private-label literature	multi-language manual, ETL/CE file co-ownership	500 pcs	25 days

Tooling & artwork are handled in-house (CNC machine shop, 6-color Heidelberg press), eliminating third-party mark-ups. Average OEM development cycle—from Gerber approval to mass shipment—is 35 calendar days for existing platform and 55 days for new mechanical platform.

4. Compliance & Documentation

ETL listed to UL 1993 & UL 8750, file 5013346
TUV CE, LVD & EMC (EN 62560, EN 55015, EN 61547)
RoHS & REACH SVHC declaration updated every 6 months
LM-80 & TM-21 datasets available for 2,700 K – 5,000 K arrays
ISO 9001:2015 audited annually by SGS

For distributors or lighting contractors needing E26-base LED bulbs engineered to local voltage, dimming or lumen-density requirements, Jiangmen headquarters offers factory-direct pricing with full Western certification pre-cleared.

Contact: [email protected] | +86-13902885704

---

Installation & Application Scenarios

Application Scenarios for E26 LED Bulbs: Commercial and Industrial Use Cases

With over 25 years of manufacturing expertise since 1998, Beauty STC Lighting delivers E26 LED bulbs certified to ETL (USA/Canada) and TUV CE (Europe) standards, ensuring compliance with global safety regulations. Our OEM/ODM capabilities enable precise customization for commercial projects, from voltage specifications to optical performance. Below are industry-specific applications and technical guidelines for contractors and project stakeholders.

Hotel & Hospitality Lighting

E26 LED bulbs are ideal for creating ambient, energy-efficient lighting in hotel environments. Warm color temperatures (2700K–3000K) enhance guest comfort in lobbies and rooms, while dimmable options allow for adjustable lighting scenarios. High CRI (>80) ensures accurate color rendition for skin tones and decor.

Specification	Detail
Color Temperature	2700K–3000K
Wattage	6W–12W
Lumens	450–1100
Voltage Range	100–277V AC
Key Features	Dimmable, high CRI, >50,000h lifespan

Retail & Shopping Mall Environments

In retail settings, accurate color rendering is critical for product display. E26 bulbs with 4000K–5000K color temperatures and CRI >90 provide crisp, natural illumination for merchandise. High lumen output ensures visibility in high-traffic areas.

Specification	Detail
Color Temperature	4000K–5000K
Wattage	8W–15W
Lumens	800–1600
Voltage Range	100–277V AC
Key Features	High CRI (>90), flicker-free operation, impact-resistant housing

Office & Workspace Illumination

Office environments require consistent, glare-free lighting to reduce eye strain. E26 bulbs in 4000K–5000K range support productivity, with energy-efficient designs meeting LEED and ENERGY STAR® criteria. Flicker-free operation ensures visual comfort during extended work hours.

Specification	Detail
Color Temperature	4000K–5000K
Wattage	9W–15W
Lumens	900–1600
Voltage Range	100–277V AC
Key Features	Flicker-free, efficacy >100 lm/W, thermal management design

Outdoor & Facade Applications

For exterior installations, weather-resistant E26 bulbs with IP65 rating are essential. These are used in porch lights, security fixtures, and facade accents. 3000K–4000K color temperatures provide balanced illumination without excessive glare.

Specification	Detail
Color Temperature	3000K–4000K
Wattage	10W–20W
Lumens	1000–2000
Voltage Range	100–277V AC
Key Features	IP65-rated, -40°C to +50°C operating range, UV-resistant lens

Industrial & Warehouse Settings

In industrial environments, high lumen density and durability are critical. E26 bulbs with 5000K color temperatures and robust construction ensure clear visibility for maintenance tasks and safety-critical areas.

Specification	Detail
Color Temperature	5000K
Wattage	15W–20W
Lumens	1500–2500
Voltage Range	100–277V AC
Key Features	Vibration-resistant, thermal conductivity optimized, shock-proof housing

Contractor Installation Best Practices

Voltage Verification: Confirm supply voltage aligns with bulb specifications (e.g., 100–277V for North American installations). Mismatched voltage causes premature failure.
Dimmer Compatibility: For dimmable applications, verify compatibility with existing dimming systems (e.g., TRIAC, ELV). Use bulbs certified for dimming to avoid flickering or noise.
Thermal Management: Avoid fully enclosed fixtures unless the bulb is rated for such use. Ensure adequate airflow to prevent overheating and extend lifespan.
IP Rating Compliance: For outdoor or wet locations, select bulbs with IP65 or higher and ensure fixtures are properly sealed to prevent moisture ingress.
Electrical Safety: Adhere to local electrical codes; use ETL/CE-certified products to ensure compliance with safety standards and reduce liability risks.

Beauty STC Lighting’s E26 LED bulbs are engineered for reliability across global markets. Our OEM capabilities enable custom configurations for specific project requirements, including voltage, color temperature, and form factor. For project-specific technical support and OEM customization, contact our engineering team at [email protected] or +86-13902885704.

---

Why Choose Beauty STC Lighting

Partner with Beauty STC Lighting for Industrial-Grade E26 LED Solutions

Factory-Direct Reliability, Code-Ready Certifications

Certification Scope	North America	Europe	Global CB Scheme
Safety & EMC	ETL/cETL to UL 1598/UL 8750	TUV CE to EN 60598-1, EN 62031	IEC 60598 series
Energy Efficiency	DLC 5.1 Premium (on request)	ErP 1194/2012, 874/2012	—
Factory Audit	ISO 9001:2015 (TUV)	ISO 14001:2015 (TUV)	BSCI Pass

Established 1998 – 25 consecutive years of export-grade manufacturing with zero major recall events.

OEM/ODM Capability Matrix

Service Level	Tooling	Driver Programming	Packaging	MOQ*
Private Label	Existing heatsinks	120-277 V or 12-80 V	4-colour sleeve	500 pcs/model
Full ODM	Custom die-cast / extrusion	Tunable 2200-6500 K, 0-10 V / DALI	Retail or contractor clamshell	1 000 pcs/model
SKD/CKD	Knock-down kits	Same-day firmware	Neutral brown box	200 pcs/model

*Mixed container acceptable; 40 HQ loads 48 000 pcs typical A19 E26.

Proven Export Performance

Region	Countries Served	In-market Support
Americas	USA, Canada, Mexico, Brazil, Chile	Miami consignment stock, Spanish-English manuals
Europe	Germany, France, Netherlands, Italy, Poland	Rotterdam warehouse, German datasheets
Asia-Pacific	Japan, Korea, Australia, Thailand	24 h technical hotline, JIS-compliant packaging

50+ countries, 200+ repeat distributors since 2005.

Next Step – Industrial Quote

Send your specification sheet or target landed-cost budget to:
[email protected]
Tel / WhatsApp: +86-139 0288 5704

We return a detailed BoM, photometric report, and 48 h pricing within one working day.

---