The Ontario Building Code | Required Lighting in Egress Facilities
9.9.12.2. Required lighting="http://thehandyforce.com/electrical/" title ="East York Electrician">lighting in Egress Facilities
(1) Everyexit, public corridoror corridor providing access to exit for the public shall be equipped to provide illumination to an average level of not less than 50 lx at floor or tread level and at all points such as angles and intersections at changes of level where there are stairs or ramps.
(2) The minimum value of the illumination required by Sentence (1) shall be not less than 10 1x.
In Plain Language
Required lighting must be provided along egress facilities as set out in this article, ensuring people can see the escape path even if normal lighting fails.
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.