Product Description
RAB KNOOKFA24W Undercabinet Light is a 24" field-adjustable LED bar that delivers 540–1,219 lumens at just 13W with five selectable color temperatures (2700K/3000K/3500K/4000K/5000K). Designed for smooth, uniform task lighting, it includes on-fixture power selection (50%/100%) and a durable white finish for modern kitchens, retail, and hospitality millwork.
- Length: 24" (KNOOKFA24W, White)
 - Lumen Output: 540 – 1,219 lm
 - Wattage: Field adjustable 13W / 7W (Input 6.5–13.1W)
 - Color Temperature: 2700K / 3000K / 3500K / 4000K / 5000K
 - CRI: 93–97
 - Voltage: 120V, 60Hz (Class 2)
 - Dimming: Compatible with common ELV & TRIAC dimmers
 - Listings: ENERGY STAR® V2.2; UL Listed Dry Location
 - Lifespan: L70 @ 50,000 hours
 - Finish: White (W); weight 2.1 lbs
 - Free shipping on orders over $250
 
Product Benefits
- Dial-in look & output: Five CCTs and 50%/100% power let you match any counter or backsplash.
 - Low-glare task light: Diffusing polycarbonate lens provides smooth, even illumination.
 - Easy linking: End-to-end connectors and jumper cables create continuous runs.
 - Energy smart: High efficacy up to 100.5 lm/W with long 50,000-hour life.
 
Key Features
- Selectable CCT: 2700K / 3000K / 3500K / 4000K / 5000K with on-fixture switch.
 - Power selection: 50% or 100% output to balance brightness and savings.
 - TRIAC & ELV dimming with broad control compatibility.
 - Die-formed steel housing with durable white finish; polycarbonate lens.
 - Energy Star® Certified and UL Listed for Dry Location use.
 
Enhanced Specifications
Technical Specs
| Lumen Output | 540 – 1,219 lm | 
| Wattage | 13W / 7W selectable (Input 6.5–13.1W) | 
| CCT / CRI | 2700K / 3000K / 3500K / 4000K / 5000K / 93–97 CRI | 
| Efficacy | 74 – 100.5 lm/W | 
| Lumen Maintenance | L70 @ 50,000 hours | 
Physical Specs
| Housing | Die-formed steel with injection-molded endcaps | 
| Lens | Polycarbonate | 
| Mounting | Undercabinet surface (screws & hole covers included) | 
| Weight | 2.1 lbs | 
| Max Ambient | 40°C (104°F) | 
| Finish | White (W) | 
Electrical & Compliance
| Input Voltage | 120V, 60Hz (Class 2 constant current) | 
| Power Factor / THD | PF 99.7% / THD 5.25% @120V | 
| Listings | ENERGY STAR® V2.2 (ID 2421020); UL Listed Dry Location | 
| Green Tech | Mercury & UV free; RoHS components | 
| Warranty | 5-Year Limited | 
Application Examples
- Residential kitchens, pantries, and coffee stations
 - Retail display shelving and wall bays
 - Hospitality bars, reception desks, and niches
 - Workstations and utility counters needing uniform task light
 
Installation Tips
- Power off at the breaker; fixture is 120V, 60Hz only and Dry Location rated.
 - Use rear access plate or alternate knockouts (24" supports back & top entries); land conductors to push-in connectors.
 - Select CCT and Power (50%/100%) on the built-in switches before closing the wiring compartment.
 - Typical wiring: Black = Line, White = Neutral, Green = Ground.
 - Interconnect up to 20 KNOOKFA24 fixtures in one run using the supplied in-line connector or jumper cables.
 
Frequently Asked Questions
Q: How do I change color temperature?
A: Slide the onboard CCT selector to 2700K, 3000K, 3500K, 4000K, or 5000K before energizing.
Q: Can I reduce brightness without a wall dimmer?
A: Yes. Use the on-fixture power selector to switch between 50% and 100% output.
Q: What dimmers are compatible?
A: The series works with many ELV and TRIAC controls (e.g., Diva, Maestro, Skylark, Decora). Check your specific model against the known compatibility list.
Q: How many 24" lights can I link together?
A: Up to 20 KNOOKFA24/KNOOKFA24W fixtures can be interconnected in a single run.
Q: Is this suitable for damp areas?
A: No. It is UL Listed for Dry Location only.
Q: What accessories are available?
A: In-line connectors (included), 6"/12"/24"/72" jumper cables, 6' cord & plug, 6' power-feed cord, junction box, and a junction box with occupancy sensor.
Q: What is the factory default setting?
A: The fixture typically ships set to 3000K with the power switch accessible on the housing.
Q: What’s the rated life and warranty?
A: L70 of 50,000 hours with a 5-year limited warranty.