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QTL QTL, formerly Q-Tran, has been at the forefront of architectural LED lighting for 30+ years, providing the highest quality LED lighting solutions.

QTL has been a leading power supply and architectural LED lighting manufacturer for over 25 years. Established with a simple goal: to provide a superior architectural LED lighting solutions for low-voltage lighting, QTL provides a complete architectural LED lighting system, including linear LED fixtures, linear led strips, ac and dc power supplies, and led lighting accessories

Big additions to our smallest profiles. MICRO 5 louvers are here for glare control and visual comfort in our ultra-comp...
10/15/2026

Big additions to our smallest profiles.

MICRO 5 louvers are here for glare control and visual comfort in our ultra-compact linear LED fixtures. ATOM, ALTA and TILT get integrated options, plus external options that snap on after installation.

Swipe to see how they work, then read the specifier’s guide on the blog: https://bit.ly/3VOAsvn

10/13/2026

Hear the satisfying sounds of innovation.
Take an ASMR break. Winding copper that powers reliable toroids. Silky smooth encapsulation that protects LEDs. Solid steel that houses power enclosures. Get a behind-the-scenes look and see what it takes to bring our lights to life, right here in Milford, Connecticut. And meet the skilled professionals who make it happen.

Good hotel lighting changes character as guests move through the building. From check-in to check-out, rooms, bars and r...
10/08/2026

Good hotel lighting changes character as guests move through the building. From check-in to check-out, rooms, bars and restaurants need warmth, while lobbies and corridors need light that is clear and purposeful.

At the Marriott Knoxville, Static White LEDs at 3000K and VERS-GRAZER (04) fixtures sit inside the reception wall, the bar millwork, the cove and The Curio cases, so each zone gets the right light while the hardware disappears.

Swipe through and see for yourself. Explore the full project here: https://bit.ly/4yD4QqV

10/01/2026

Now arriving: lounge lighting that helps travelers escape into a private sanctuary.

Warm cove, shelf, and under-bar lighting create a comfortable glow that makes you hope for a flight delay.

Flexible and backlit sheet lighting trace every curve and wall in soft light, the kind that makes you forget there's a gate number waiting for you.

QTL: lighting that enhances the space and elevates the experience.

See more of our Restaurant and Bar lighting: https://bit.ly/3U65MoR

This middle school's auditorium lighting is ready for Broadway.Phil Borup at Envision Engineering specified QTL ARKA and...
09/29/2026

This middle school's auditorium lighting is ready for Broadway.

Phil Borup at Envision Engineering specified QTL ARKA and ESSENTIALS for Union Middle School in Sandy, Utah.

Swipe to watch the room shift from show time to house white.

Read the full case study: https://bit.ly/4e3Io1U

Fort Worth City Hall's new council chamber was built with a timber roof that flexes more than code typically allows.See ...
09/24/2026

Fort Worth City Hall's new council chamber was built with a timber roof that flexes more than code typically allows.

See how QTL created civic lighting with a cove system built to move with it: https://bit.ly/4iNzYix

09/22/2026

We asked QTL’ers about their personal favorite fixture.

Next up, Jamie Devenger, who selected an LED light engine that stealthily reveals architecture. Hint... it’s Static White/24: https://bit.ly/47iJbbv

A timber frame pavilion in picturesque southern Vermont shows pavilion lighting that creates a welcoming space to relax....
09/16/2026

A timber frame pavilion in picturesque southern Vermont shows pavilion lighting that creates a welcoming space to relax.

ESSENTIALS VEVE-OPTICS-02 paired with 2700K Static White LEDS to graze beams and trusses with soft, warm light.

ESSENTIALS TORQ-OPTICS-02 wash lighting layers into the firelight and natural ambiance.

QTL’s QZ-PRO power supply withstands New England weather with reliable 0-10 phase dimming.

Read more about our Alpine Pavilion and see what QTL lighting could do for your next outdoor space: https://bit.ly/4yKIHqE

Inside the grazing craze.Seven grazing light techniques, seven intriguing looks. Swipe and see.Explore our LED grazers: ...
09/03/2026

Inside the grazing craze.
Seven grazing light techniques, seven intriguing looks. Swipe and see.

Explore our LED grazers: https://bit.ly/3SL5PG4

Address

155 Hill St, Suite 103
Milford, CT
06460

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+12033678777

Website

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