Construction codes of Ontario

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Accessibility of junction boxes

Accessibility of junction boxes 1) Pull-in, junction, and outlet boxes, cabinets and gutters, and joints in conductors and cables shall be accessible. 2) A vertical space of 900 mm or more shall be required to provide ready access Source: Rule 12-3014, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. […]

Bonding of receptacles (see Appendix B)

Bonding of receptacles (see Appendix B) 1) Where grounding-type receptacles are used in existing installations to replace the ungrounded type, the grounding terminal shall be effectively bonded to ground and one of the following methods shall be permitted to be used: a) connection to a metal raceway or cable sheath that is bonded to ground;b) […]

Ceiling Heights of Rooms or Spaces – Table

Table 9.5.3.1.Room Ceiling Heights Forming Part of Sentences 9.5.3.1.(1) and (2) Notes to Table 9.5.3.1.: (1) Area of the space shall be measured at floor level. Table 9.5.3.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Clearance to Combustible Framing

(1) Not less than a 100 mm clearance shall be provided between the back and sides of a solid fuel-burning fireplace and combustible framing, except that a 50 mm clearance is permitted where the fireplace is located in an exterior wall. (2) Not less than a 50 mm clearance shall be provided between the back […]

Continuity of the Air Barrier System

Continuity of the Air Barrier System (1) Where the air barrier system consists of an air-impermeable panel-type material, all joints shall be sealed to minimize air leakage. (2) Where the air barrier system consists of flexible sheet material, all joints shall be, (a) sealed with compatible material such as tape or flexible sealant, or […]

CSA configurations for non-locking receptacles Diagram 1

CSA configurations for non-locking receptacles Diagram 1 (See Rules 26-700, 26-720, 26-744, 38-023, 58-400, 78-050, and 86-306,Diagram 2, and Appendix B.) For configurations 6-15R, 6-20R, 6-20RA, 6-30R, and 6-50R, Y denotes the identified terminal when used on circuits derived from three-phase, 4-wire 416 V circuits. Note: Except as noted above, in Diagrams 1 and 2,a) […]

Doors to Rooms Containing Water Closets

Doors to Rooms Containing Water Closets (1) A door shall be provided to each room containing a water closet within a dwelling unit. Article 9.5.9.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.