Sustained Emergency Lighting Definition

The lights are typically dimmed when the premises are occupied and the emergency escape lighting prevents total darkness.

Sustained emergency lighting definition.

It is designed to come on in the event of a mains power failure making sure all emergency exit routes are clearly illuminated but will not be active as your normal day to day lighting system. Non maintained emergency lighting is a luminaire made solely for emergency use. What is non maintained emergency lighting. Emergency lights are standard in new commercial and high occupancy residential buildings such as college dormitories apartments and hotels.

Sustained when a fitting has two or more lamps at least one lamp. In emergency mode stays lit but at a lower light level non maintained comes on only in emergency mode this is a luminaire in which the emergency lamps are lit all the time and operates as. Uninterruptible power supply ups. Sustained emergency luminaire see combined emergency luminaire.

It can be turned off on via the room light switch and operate in the event of a power circuit failure. With most emergency lights moved to led you. A sustained emergency light is one that has two light sources one for everyday mains room light and one that is only used during a power cut. See combined emergency luminaire.

An emergency light is a battery backed lighting device that switches on automatically when a building experiences a power outage. This is a luminaire in which the emergency lamps are lit all the time. This was because a fluorescent lamp could easily fail and so if you had a sustained light fitting you were always sure of lighting just when you needed it. Maintained mode is generally employed in places of assembly such as theatres cinemas clubs etc.

A luminaire that can act as the mains room light and as an emergency light.