Keystone Technologies’ new DirectDrive T8 Emergency Backup LED Tube meets the numerous qualifications for UL 924, Underwriters Laboratories’ Standard for Emergency Lighting and Power Equipment. In fact, it’s the first true fully UL 924-compliant emergency tube with 5 CCT.

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.