History of Dual-Lite FEATURED VIDEO: Dual-Lite History Timeline 1940 1942 Cocoanut Grove Fire The worst nightclub fire in U.S. history struck the Cocoanut Grove in Boston, Massachusetts, claiming 492 lives and injuring 166 others. This tragedy created a nationwide uproar that led to stricter enforcement of revised building and electrical codes for public structures, and the addition of safety requirements, which included emergency lighting products. 1950 1950 Change in Product Line Dual-Lite made an important change in both its product line and its business operation. That year, it added battery-operated emergency lights and relocated from Bridgeport to Newtown, Connecticut. 1960 1960 LSN Inverter Dual-Lite was the first to introduce extended life batteries with a patented 2-state charger. 1970 1973 Delite Cylinders 1974 Exquisite Exits 1975 Lumenette Series 1976 Dual-Lite, Inc. Dual-Lite became a publicly traded corporation, changing its name to Dual-Lite, Inc. 1979 EZ-1 Units 1980 1982 EZ-2 Units Dual-Lite launched the most recognized lighting unit on the market today with its patented Spectron Self-Test/Self-Diagnostics. 1984 LSN Inverter with Spectron Dual-Lite launched the LSN inverter with its patented 2nd generation of Spectron Self-Test/Self Diagnostics. 1990 1989-1996 Liteforms Family 2000 2002 Dual-Lite becomes a part of Hubbell Lighting, Inc. 2004 LiteScape® Units 2008 PG Series Outdoor LED Emergency Units 2010 2011-2015 EV-LED Family Dual-Lite developed and launched the EV Family, and most notably the EVHC-BC, which is the market's first high performance indoor emergency unit with patented, user-friendly, front battery. 2015 Dynamo Dual-Lite launched Dynamo, the first high performance LED emergency unit designed specifically for industrial applications.