Powering the Future of Intelligent Buildings. Test. Validate. Accelerate.

LETL (Limited Energy Test Lab) is a purpose-built laboratory specializing in testing and validation of PoE and FMP devices, lighting fixtures, automated shades, sensors, and all intelligent building components.

ABOUT LETL

LETL is a purpose-built testing and validation laboratory for low-voltage and intelligent building technologies. With a core focus on Power-over-Ethernet (PoE), Fault Managed Power (FMP), and Class 2/Class 4 systems, LETL provides rigorous technical evaluation and validation services for manufacturers, OEMs, and system integrators.

Smart Lighting Control

Test PoE-integrated LED fixtures for flicker, efficacy, thermal performance, and startup behavior under real-world loads.

Automated Shade Systems

Validate PoE and FMP-powered motorized shades for latency, energy use, and motor reliability.

Scalable Building Platforms

Ensure smart sensors, control devices, and software platforms work seamlessly in dynamic network environments.

What We Can Offer You

LETL provides comprehensive testing and validation services for intelligent building technologies — ensuring performance, safety, and interoperability from the lab to the field.

PoE Lighting Fixtures

Test for flicker, efficacy, lumen consistency, and startup reliability under various load conditions.

Automated Shades

Evaluate PoE and FMP-powered motors for energy profiling, response latency, and smooth operation.

FMP Network Devices

Validate Class 4 converters, power control behavior, and system response under fault conditions.

Integration & Interoperability

Ensure compatibility with BACnet, MQTT, CoAP, REST, and partner ecosystems like Molex and Mecho.

Functional & Environmental Testing

Run devices through thermal cycling, EMI/RFI interference, humidity stress, and real-world network simulation.

Custom Engineering Support

Get tailored test scripts and engineering guidance for unique partner platforms and product architectures.

Get Your Lighting Fixtures LETL Validated

Join an industry-trusted validation network for PoE-integrated lighting. Ensure your fixtures meet the highest standards for performance, reliability, and enterprise integration.

Ready to Validate Your Product?

Contact us to begin the validation process and align your products with the future of intelligent building technology.