The Ontario Building Code | Visual Signals
3.2.4.21. Visual Signals
(1) Visual signal devices required by Sentences 3.2.4.19.(4) and 3.2.4.20.(7) and (8) shall be installed so that the signal from at least one device is visible throughout the floor area or portion of it in which they are installed.
(2) Visual signal devices permitted by Sentence 3.2.4.19.(5) shall be installed so that the signal from at least one device is visible throughout the compartment in which they are installed.
In Plain Language
This clause addresses signage and instructions required near fire alarm control panels and pull stations so occupants and responders understand what the system does and how to operate it correctly during an emergency.
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.