Even if a lamp or fixture is UL Certified, it may not have gone through testing of a particular UL certification, such as UL 924. In mid-March, Keystone introduced our DirectDrive Emergency Tube, a groundbreaking product designed to meet and exceed the requirements of UL 924.

Architectural Linear Fixture, Emergency Wall Pack bring bright end to year LANSDALE, PA (DECEMBER 29, 2023)—In 2023, Light Made Easy came in many forms, from the most basic A-shape bulbs to a grand architectural linear fixture featuring numerous design options. Keystone Technologies’ Light Made Easy philosophy emphasizes simplicity, ease of use, and an enjoyable customer […]

Using UV-C isn’t simply a matter of inserting a UV-C lamp into a fixture. There are several notable issues that may affect UV-C equipment and its effectiveness.

3000-6500K Range, Single- and Double-Ended Wiring Make It Most Versatile Tube on Market (LANSDALE, PA) – What do you call an LED tube with five selectable color temperature choices, shunted and non-shunted lamp holders, available single- and double-ended wiring, and is up to 50% more energy efficient than conventional fluorescent tubes? The most versatile tube […]