Crouse-Hinds series ELPS explosionproof emergency lighting systems are used in hazardous areas to provide safe, reliable illumination indoors or outdoors to designated areas during failure or interruption of power to the normal lighting system. ELPS emergency lighting systems perform safely and reliably in Class I and Class II areas where corrosion, vibration, moisture, dirt and rough usage may be encountered. Common installations include: refineries, chemical and petrochemical facilities, grain processing, handling or storage facilities, manufacturing plants, wastewater treatment facilities, and other areas where safe, reliable, hazardous area emergency lighting is needed.