The Role of Emergency Lighting in Safe Building Evacuations

Written By Rachel Azagury

Emergency lighting is a critical component of fire and life safety in buildings. This essential safety system ensures that when normal power fails, occupants can see clearly and evacuate safely, reducing risk during emergencies.

Where Emergency Lighting is Required

Buildings regulated under Part 3 of the Ontario Building Code must be equipped with emergency lighting in key areas, including:

  • All exit routes

  • Access to exits in open spaces

  • Public corridors

These locations are intentionally specified to ensure occupants can always identify a safe path out of the building, even in total darkness.

The Risk of Inadequate Lighting 

During emergencies, loss of lighting can quickly lead to panic, hesitation, and injury. Emergency lighting reduces these risks by:

  • Maintaining orientation in unfamiliar or crowded spaces

  • Supporting orderly evacuations

  • Preventing trips, falls, and collisions

  • Helping emergency responders move safely through the building

Inspection & Testing Regulations in Ontario 

The Ontario Fire Code requires emergency lighting systems to be inspected and tested monthly to confirm they will function during an actual emergency.

These checks focus on ensuring:

  • Backup power sources (batteries or generators) activate correctly

  • Light fixtures operate at required levels

  • Electrical components, wiring, and controls are in good condition

Any deficiencies identified during testing must be corrected immediately to maintain compliance and ensure readiness.

Common Issues with Emergency Lighting

Some of the most common problems with emergency lighting include:

  • Burned-out Bulbs: A single non-functioning bulb can compromise an entire evacuation route.

  • Battery Failures: Backup power is critical during outages. Regular inspections are necessary to confirm batteries can hold a charge.

  • Blocked Fixtures: Emergency lights must remain clear and unobstructed to illuminate escape paths effectively.


Emergency lighting is one of the most effective tools for protecting lives during a crisis. It ensures visibility, reduces panic, and helps occupants navigate safely to exits, even in the most challenging conditions.


Connect with our team today to make sure your building is up to Code and prepared in case of emergency.

Rachel Azagury
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