The Ontario Building Code | Emergency Lighting
3.13.3.7. Emergency lighting="http://thehandyforce.com/electrical/" title ="East York Electrician">lighting
(1) Emergency lighting="http://thehandyforce.com/electrical/" title ="East York Electrician">lighting shall be provided to average levels not less than 10 lx at floor or tread level in public areas in a rapid transit station.
(2) An emergency power supply conforming to Subsection 3.2.7. shall be provided to maintain the emergency lighting="http://thehandyforce.com/electrical/" title ="East York Electrician">lighting required in Sentence (1) for a period of 30 min after a power failure.
3.13.4. Means of Egress
In Plain Language
Emergency lighting in a rapid transit station must provide an average of at least 10 lux at floor or tread level in public areas, and an emergency power supply for that lighting is also required.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.