Ask Robos: Why do emergency lighting batteries last at least three hours?

Ask Robos: Why do emergency lighting batteries last at least three hours?

I have always been a vulnerable lover – Sports to Captain Kirk or Samwise to Frodo. Emergency lighting is the silent hero in the integrity of construction: always there but it is often ignored even the need.

When the power goes out, these lamps begin, providing basic lighting. But I wonder why Spook has pointed ears, you may ask why the UK law requires batteries in emergency lamps that last for at least three hours.

Let’s start with RGS. The minimum of three hours corresponds to the UK fire safety standards, such as BS 5266-1. This guarantees that even in large or complex buildings, all passengers can safely evacuate. In structures or towering facilities with weak individuals-such as hospitals or care houses-evacuations take longer, and three hours provide a temporary store necessary.

But it is not only a matter of taking out people. Emergency lighting supports emergency services, provides reliable lighting for transportation, rescue and manage emergency cases effectively. Whether extinguishing fires or assisting trapped individuals, it guarantees the minimum for three hours to be able to work without complete darkness. Not to mention that the power cuts may extend beyond the evacuation. Passengers may need a shelter in place, which requires continuous lighting of reassurance and vision.

Why not make the batteries last longer? Although it is possible, it will increase the volume of the battery, maintenance requirements, and expenses – without additional additional safety for TyPica Al. The three -hour rule reflects an accurate balance in practical application, safety and cost. I would like to think this is the kind of logical thinking that Spok will leave.

John Ford Technical Training Director

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