Construction codes of Ontario

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Maximum number of insulated conductors in a box

Maximum number of insulated conductors in a box (see Appendix B) 1) Boxes shall be of sufficient size to provide usable space for all insulated conductors contained in the box, subject to the following: a) an insulated conductor running through a box with no connection therein shall be considered as one insulated conductor;b) each insulated […]

Maximum number of outlets per circuit (see Appendix B)

Maximum number of outlets per circuit (see Appendix B) 1) Except as permitted by other Rules of this Code, the maximum number of outlets on any 2-wire branch circuit shall not exceed the following: a) 12 outlets for a 15 A branch circuit where the fused switch or circuit breaker is marked for continuous operation […]

Maximum Spacing of Supports of Gypsum Board Finish (Taped Joints)

Maximum Spacing of Supports of Gypsum Board Finish (Taped Joints) (1) Maximum spacing of supports for gypsum board applied as a single layer shall conform to Table 9.29.5.3. Table 9.29.5.3.Spacing of Supports for Gypsum Board Forming Part of Sentence 9.29.5.3.(1) Article and Table 9.29.5.3. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only

Maximum Vertical Rise of Stair Flights and Required Landings

Maximum Vertical Rise of Stair Flights and Required Landings (1) No “flight” shall have a vertical rise of more than 3.7 m between floors or landings, except that a “flight” serving as an exit in a Group B, Division 2 or 3 occupancy shall have a vertical rise not more than 2.4 m between floors or […]

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 […]

Method of Measurement

Method of Measurement (1) Except as otherwise specified in this Part, the areas, dimensions and heights of rooms or spaces shall be measured between finished wall surfaces and between finished floor and ceiling surfaces. Article 9.5.1.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

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.