Product Overview
GE Ecolux Double Biax 26W CFL - G24d-3 Base - 3000K Quad Tube
The GE Ecolux Double Biax 26W is an energy-efficient compact fluorescent lamp (CFL) featuring a G24d-3 2-pin base and quad tube T4 design. Delivering 1,710 initial lumens of 3000K soft white light with 82 CRI, this TCLP-compliant lamp is ideal for commercial facilities, retail displays, hospitality lighting, and office downlights. With a 10,000-hour rated life and lead-reduction technology, it provides reliable illumination with reduced environmental impact.
Technical Specifications - GE Double Biax 26W
Electrical
| Wattage | 26 Watts |
|---|---|
| Base Type | G24d-3 (2-Pin, Non-Dimmable) |
| Ballast Type | Magnetic/Starter-based (Internal starter in lamp) |
| Voltage | 120-277V (Ballast dependent) |
Photometric
| Color Temperature | 3000K (Soft White) |
|---|---|
| Color Rendering Index (CRI) | 82 (Good) |
| Initial Lumens | 1,710 lm |
| Mean Lumens (Design) | 1,460 lm (85% maintenance) |
| Efficacy | 66 Lumens per Watt |
Physical & Compliance
| Bulb Type | T4 Quad Tube (Double Biax) |
|---|---|
| Maximum Overall Length (MOL) | 6.67 inches (169mm) |
| Rated Life | 10,000 Hours (3-hour cycles) |
| Environmental | TCLP Compliant, Lead-reduction technology |
| Origin | Made in Hungary |
G24d-3 vs G24q-3: Understanding 2-Pin vs 4-Pin CFLs
⚠️ Critical: This lamp has a G24d-3 (2-pin) base and is NOT interchangeable with G24q-3 (4-pin) lamps. Verify your fixture socket before ordering.
| Feature | This Lamp: G24d-3 (2-Pin) | Not Compatible: G24q-3 (4-Pin) |
|---|---|---|
| Pin Count | 2 pins | 4 pins (2 sets) |
| Starter Location | Internal (in lamp) | External (in ballast) |
| Ballast Type | Magnetic/Starter-based | Electronic (rapid start) |
| Dimming | Non-dimmable | Dimmable (with compatible ballast) |
| Socket Keying | Notch at specific position | Two notches (different positions) |
Compatible Ballasts for G24d-3:
- Magnetic ballasts with integral starter or external starter
- Pre-heat启动 circuits
- NOT compatible with electronic rapid-start ballasts designed for 4-pin lamps
Energy Savings: 26W CFL vs Halogen/Incandescent
| Specification | GE 26W Double Biax (This Lamp) | 100W Incandescent | 75W Halogen PAR30 |
|---|---|---|---|
| Wattage | 26W | 100W | 75W |
| Lumen Output | 1,710 lm | 1,600 lm | 1,100 lm |
| Annual Energy Cost* | $11.70 | $45.00 | $33.75 |
| Life Hours | 10,000 hrs | 1,000 hrs | 2,500 hrs |
| Replacement (5 years) | 1.5 lamps | 15 bulbs | 6 bulbs |
*Based on 3,000 hours/year at $0.15/kWh. Savings: $33.30/year vs incandescent, $22.05/year vs halogen.
Recommended Applications for 3000K Soft White
Commercial Facilities
- Office downlights and task lighting
- Corridor and stairwell fixtures
- Warehouses and storage facilities
- Healthcare facilities (non-critical areas)
- Educational institutions
Retail & Hospitality
- Retail display lighting (soft 3000K flatters merchandise)
- Restaurant ambiance lighting
- Hotel guest room fixtures
- Basement and utility lighting
- Back-of-house operations
Residential
- Kitchen ceiling fixtures
- Garage and workshop lighting
- Basement recreation rooms
- Laundry room fixtures
- Closet and storage lighting
3000K Soft White vs Other Color Temperatures
3000K (This Lamp): Warm, inviting light similar to halogen. Best for retail, hospitality, and residential spaces where a cozy atmosphere is desired.
3500K (Neutral): Balanced white for offices and task lighting.
4100K (Cool White): Clinical appearance for kitchens and workspaces.
Compatible Replacements - G24d-3 Base
This GE 26W Double Biax (G24d-3, 2-pin) replaces or cross-references to:
| Brand | Part Number | Wattage |
|---|---|---|
| Philips | PL-C 26W/830/2P (G24d-3) | 26W |
| Osram Sylvania | CF26DD/830/ECO (G24d-3) | 26W |
| Panasonic | FML26EX-D (G24d-3) | 26W |
| GE (alternate) | F26DBX/830/ECO4P (if 4-pin) | 26W |
Important: Verify 2-pin (d) vs 4-pin (q) before ordering. These are not interchangeable.
Frequently Asked Questions
What is the difference between G24d-3 and G24q-3?
The G24d-3 (this lamp) is a 2-pin base with an internal starter, used with magnetic ballasts. G24q-3 is a 4-pin base (two sets of 2 pins) used with electronic ballasts that have external starter circuits. They have different physical keying and are not interchangeable. Check your existing lamp or fixture socket—count the pin holes (2 vs 4) before ordering.
Can I replace a 4-pin CFL with this 2-pin lamp?
No. The socket and ballast systems are completely different. A 4-pin (G24q) socket will not accept a 2-pin (G24d) lamp, and vice versa. Additionally, the ballast types are incompatible—2-pin lamps use magnetic ballasts with internal starters, while 4-pin lamps require electronic ballasts. You must match the base type exactly to your existing fixture.
Why won't my CFL turn on or flickers?
Common causes for G24d-3 (2-pin) CFLs: (1) End of life - Darkening at tube ends indicates replacement needed. (2) Starter failure - The internal starter (glow switch) in 2-pin lamps can fail; replace the lamp. (3) Ballast failure - Magnetic ballasts can degrade over time. (4) Cold temperature - CFLs struggle below 0°F (-18°C). (5) Wrong base type - Verify you have G24d-3, not G24q-3.
What does TCLP compliant mean?
TCLP (Toxicity Characteristic Leaching Procedure) is an EPA test that measures whether hazardous materials (like mercury) can leach from products in landfills. This GE Ecolux lamp is TCLP compliant, meaning it contains reduced mercury levels that meet strict environmental standards. While still requiring proper recycling (not trash), TCLP-compliant lamps have less environmental impact if accidentally landfilled.
Can I use this CFL in a dimmer switch?
No. This G24d-3 lamp is non-dimmable. 2-pin CFLs with magnetic ballasts cannot be dimmed. If you need dimming capability, you must: (1) Switch to a 4-pin (G24q-3) system with electronic dimming ballast and dimmable 4-pin CFL, or (2) Convert to LED with compatible dimmer. Using this lamp with a dimmer will cause flickering, reduced life, and potential fire hazard.
Is 3000K too yellow for office lighting?
3000K is acceptable for general office lighting, though 3500K-4100K is often preferred for task areas. 3000K provides a warm, inviting atmosphere that reduces eye strain and creates a comfortable environment. It's ideal for reception areas, break rooms, and general circulation. For detailed computer work or inspection areas, 3500K+ might be better. The 3000K "soft white" is similar to traditional incandescent light.
