Construction codes of Ontario

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Polyethylene strips at end of partition and over wall top plates

Polyethylene strips at end of partition and over wall top plates It is common to install the ceiling air barrier before the interior partitions are built, because it is easier to make an airtight connection between the wall top plates and unconditioned spaces (such as attics). Alternatively, when the interior partitions are built before the […]

Power Supply Smoke Alarm

Power Supply Smoke Alarm (1) Except as provided in Sentences (2) and (3), smoke alarms required in Sentences 9.10.19.1.(1) and 9.10.19.3.(2) shall, (a) be installed with permanent connections to an electrical circuit, (b) have no disconnect switch between the overcurrent device and the smoke alarm, and (c) in case the regular power supply […]

Projections into Stairs and Ramps

Projections into Stairs and Ramps (1) Handrails and projections below handrails, including handrail supports and stair stringers, shall not project more than 100 mm into the required width of a stair or ramp. Article 9.8.7.6 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Protection for cable in concealed installations

Protection for cable in concealed installations (see Appendices B and G) 1) Where the cable is run through studs, joists, or similar members, the outer surfaces of the cable shall be kept a distance of at least 32 mm from the edges of the members, or the cable shall be protected from mechanical damage by […]

Protection of Foamed Plastics

(1) Except as permitted in Sentence (3), foamed plastics that form part of a wall or ceiling assembly in combustible construction shall be protected from adjacent spaces in the building, other than adjacent concealed spaces within attic or roof spaces, crawl spaces, and wall and ceiling assemblies, by any of the following: (a) one of […]

Receptacles (plugs) General

Receptacles (plugs) General (see Appendix B) 1) Receptacle configurations shall be in accordance with Diagrams 1 and 2, except a) for receptacles used on equipment solely for interconnection purposes;b) for receptacles for specific applications as required by other Rules of this Code; orc) where other configurations are suitable. 2) Except as provided for by other […]

Receptacles for dwelling units (see Appendices B and G)

Receptacles for dwelling units (see Appendices B and G) Receptacles for dwelling units (including single dwellings) shall meet the following requirements: a) except as otherwise provided for in this Code, in dwelling units duplex receptacles shall be installed in the finished walls of every room or area, other than bathrooms, hallways, laundry rooms, water closet […]