Sustained Emergency Lighting Definition

Sustained when a fitting has two or more lamps at least one lamp.

Sustained emergency lighting definition.

Standby lighting the part of emergency lighting which may be provided to enable normal activities to continue in the event of a mains supply failure. 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. 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. 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. See combined emergency luminaire. What is non maintained emergency lighting. Sustained emergency luminaire see combined emergency luminaire.

Non maintained emergency lighting is a luminaire made solely for emergency use. The lights are typically dimmed when the premises are occupied and the emergency escape lighting prevents total darkness. 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. Switchable maintained emergency light.

A luminaire that can act as the mains room light and as an emergency light. An emergency light is a battery backed lighting device that switches on automatically when a building experiences a power outage. An emergency luminaire without its own batteries which is designed to work in conjunction with a central battery system. Uninterruptible power supply ups.

With most emergency lights moved to led you.