Construction codes of Ontario

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Mechanical Protection for Electrical Cables

Mechanical Protection for Electrical Cables 1) Where subject to mechanical damage, mineral-insulated cable, aluminum-sheathed cable, and copper-sheathed cable shall be suitably protected. 2) Where mineral-insulated cable, aluminum-sheathed cable, or copper-sheathed cable is installed on the face of a wall, partition, ceiling, or structural member within 1.5 m of the floor, and in all locations where […]

Minimum cover requirements for direct buried cables or insulated conductors in raceways Table

Minimum cover requirements for direct buried cables or insulated conductors in raceways Table Table 53 (See Rule 12-012.) Note: Minimum cover means the distance between the top surface of the conductor, cable, or raceway and the finished grade. Source: Table 53, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. […]

Minimum Lumber Grades for Specific End Uses – Table

Table 9.3.2.1.Minimum Lumber Grades for Specific End Uses Forming Part of Sentences 9.3.2.1.(1) and 9.3.2.2.(1). Table 9.3.2.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Number of insulated conductors in boxes

Number of insulated conductors in boxes Table 23 (See Rule 12-3034.) Table 23 (Concluded) Source: Table 23, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. © 2021 Canadian Standards Association. Please visit store.csagroup.org

Openings in Guards

(1) Except as permitted in Sentences (2) and (3), openings through guards shall be of a size that prevents the passage of a spherical object having a diameter of 100 mm. (2) Except where they serve storage garages, guards in industrial occupancies are permitted to consist of, (a) a top railing, and (b) one […]

Openings in Loadbearing Walls

Openings in Loadbearing Walls (1) Openings in loadbearing walls greater than the required stud spacing shall be framed with lintels designed to carry the superimposed loads to adjacent studs. (2) Except as provided in Sentence 9.23.12.3.(2), where two or more members are used in lintels, they shall be fastened together with not less than 82 mm nails […]

Orientation of Studs

Orientation of Studs (1) Except as permitted in Sentences (2) and (3), all studs shall be placed at right angles to the wall face. (2) Studs on the flat are permitted to be used in gable ends of roofs that contain only unfinished space or in non-loadbearing interior walls within the limits described in Article […]