The Ontario Building Code | Application
9.9.12.1. Application
(1) This Subsection applies to the lighting of all means of egressexcept those within dwelling units.
In Plain Language
This clause simply scopes the lighting rules that follow: they apply to every means of egress in a building except inside individual dwelling units, which are covered by different provisions.
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.