Which light source was the third major technological step, offering superior energy efficiency and lifespan in emergency fixtures?
Answer
LEDs (Light-Emitting Diodes)
LEDs represented the major revolution, offering up to 80% less energy consumption and lifespans often exceeding 50,000 hours, drastically reducing maintenance needs.
Related Questions
What invention was necessary before battery-backed emergency egress lighting could be specifically invented?What voltage level did the substantial, early battery backup systems typically use to maintain their charge?Which light source was the third major technological step, offering superior energy efficiency and lifespan in emergency fixtures?What is the defining characteristic of the 'Maintained Mode' for emergency lighting fixtures?What is the minimum battery operation time mandated by US fire safety codes for emergency egress paths?What specific measure does Los Angeles require exit signs to comply with due to smoke obscuring higher fixtures?What historical disaster spurred laws requiring outward-swinging doors to prevent mass trapping during emergencies?How has the primary focus of liability in emergency lighting maintenance shifted with modern technology?What technological integration allows standard light fixtures to now satisfy life safety codes without separate wall-mounted units?How do portable solutions like the LuminAID lantern surpass traditional disposable battery flashlights in longevity?