The lights are typically dimmed when the premises are occupied and the emergency escape lighting prevents total darkness.
Difference between maintained and sustained emergency lights.
This will be a dedicated emergency light and cannot be used for normal room lighting.
When looking for the emergency lighting fitting you require you are likely to come across the terms maintained and non maintained.
This is a luminaire in which the emergency lamps are lit all the time.
Maintained lights are always on and as such naturally use more power.
These phrases are terminology usually associated with emergency lighting products but what is the difference.
A normal light with all the other lights in the area from the mains supply however when the power fails the maintained emergency fitting will continue to operate but at a lower light level using the back up rechargeable batteries.
What is the difference between maintained and non maintained emergency lighting.
Just like a normal luminaire when running ordinarily they will take power from the mains supply but when they switch to emergency mode they take power from a back up battery.
Maintained mode is generally employed in places of assembly such as theatres cinemas clubs etc.
Sustained emergency lighting.
The x dsa is a mini non maintained emergency light that will only come on in a mains failure.
Luckily the answer is really quite simple.
A common question from customers buying emergency lighting is.
Over their lifespan non maintained emergency lights will still consume less energy though.
However even non maintained lights do require a constant trickle charge from the mains power to maintain the backup battery.
Non maintained luminaries should be used in areas where the building is normally lit via another lighting source but relies on a non maintained emergency light in an emergency situation.
A short video explaining the difference between maintained non maintained and switchable maintained emergency lighting.
What is the difference between maintained non maintained.
New commercial or public buildings have emergency lighting installed as standard but if you are looking to install or renew a system this issue may need clarifying.
Maintained emergency lighting luminaires are built to be active continuously in every day life and through the event of a power cut.