| 3.4.5.1. |
Exit Signs
- Every exit door shall have an exit sign placed over or adjacent to it if the exit serves
- a building more than 2 storeys in building height,
- a building having an occupant load of more than 150, or
- a room or floor area that has a fire escape as part of a required means of egress.
- Every exit sign shall
- be visible on approach to the exit,
- consist of a green and white or lightly tinted graphical symbol meeting the colour specifications referred to in ISO 3864-1, "Graphical symbols - Safety colours and safety signs - Part 1: Design principles for safety signs and safety markings," and
- conform to ISO 7010, "Graphical symbols - Safety colours and safety signs - Registered safety signs," for the following symbols (see Note A-3.4.5.1.(2)(c)):
- E001 emergency exit left,
- E002 emergency exit right,
- E005 90-degree directional arrow, and
- E006 45-degree directional arrow.
- Internally illuminated exit signs shall be continuously illuminated and
- where illumination of the sign is powered by an electrical circuit, be constructed in conformance with CSA C22.2 No. 141, "Emergency Lighting Equipment," or
- where illumination of the sign is not powered by an electrical circuit, be constructed in conformance with CAN/ULC-S572, "Photoluminescent and Self-Luminous Exit Signs and Path Marking Systems."
- Externally illuminated exit signs shall be continuously illuminated and be constructed in conformance with CAN/ULC-S572, "Photoluminescent and Self-Luminous Exit Signs and Path Marking Systems." (See Note A-3.4.5.1.(4).)
- The circuitry serving lighting for externally and internally illuminated exit signs shall
- serve no equipment other than emergency equipment, and
- be connected to an emergency power supply as described in Article 3.2.7.4.
- Where no exit is visible from a public corridor, from a corridor used by the public in a Group A or B major occupancy, or from principal routes serving an open floor area having an occupant load of more than 150, an exit sign conforming to Clauses (2)(b) and (c) with an arrow or pointer indicating the direction of egress shall be provided.
- Except for egress doorways described in Sentence 3.3.2.4.(4), an exit sign conforming to Sentences (2) to (5) shall be placed over or adjacent to every egress doorway from rooms with an occupant load of more than 60 in Group A, Division 1 occupancies, dance halls, licensed beverage establishments, and other similar occupancies that, when occupied, have lighting levels below that which would provide easy identification of the egress doorway.
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