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.

Sustained emergency lighting definition.

It can be turned off on via the room light switch and operate in the event of a power circuit failure. What is non maintained emergency lighting. Sustained when a fitting has two or more lamps at least one lamp. Emergency lights are standard in new commercial and high occupancy residential buildings such as college dormitories apartments and hotels.

Sustained emergency luminaire see combined emergency luminaire. 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. See combined emergency luminaire. Non maintained emergency lighting is a luminaire made solely for emergency use.

An emergency luminaire without its own batteries which is designed to work in conjunction with a central battery system. Switchable maintained emergency light. A luminaire that can act as the mains room light and as an emergency light. With most emergency lights moved to led you.

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. This is a luminaire in which the emergency lamps are lit all the time. Uninterruptible power supply ups. Maintained mode is generally employed in places of assembly such as theatres cinemas clubs etc.

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.