Keystone Introduces UL 924 Certified Emergency Backup Tube with 5 CCT
UL 924, Underwriters Laboratories’ Standard for Emergency Lighting and Power Equipment, requires numerous qualifications for full compliance, including a baseline level of illumination, 90 minutes of emergency lighting, and ensuring a permanent installation that cannot be easily tampered with or accidentally removed. Keystone Technologies’ new DirectDrive T8 Emergency Backup LED Tube meets those qualifications. In…