Ontario Electrical Safety Code (OESC) – 2018 The Ontario Electrical Safety Code (OESC) is the technical document that defines standards and legal requirements for electrical installations in the province of Ontario. Published by the Electrical Safety Authority (ESA) – Ontario’s electrical safety regulator and administrative authority – the OESC is developed through consultations of expert […]

Openings in Exposing Building Face (1)  Except as provided in Sentences (3) to (7) and Sentence 9.10.14.6.(1), the maximum aggregate area of unprotected openings in an exposing building face shall,     (a)   conform to Table 9.10.14.4.,     (b)   conform to Subsection 3.2.3., or     (c)   where the limiting distance is not less than 1.2 m, be […]

(1)  Except as provided by Sentence (2), openable windows in suites of residential occupancy shall be protected by,     (a)   a guard with a minimum height of 1 070 mm constructed in accordance with Article 3.3.1.17., or     (b)   a mechanism capable of controlling the free swinging or sliding of the openable part of the window […]

Protection of Soffits. Prevention of Fire Spread at Exterior Walls and Between Storeys (1)  This Article applies to the portion of any soffit enclosing a projection that is,     (a)   less than 2.5 m vertically above a window or door, and     (b)   less than 1.2 m from either side of the window or door.     […]

Ramp Slope (1)  Except as required for aisles by Article 3.3.2.4., the maximum slope of a ramp shall be,     (a)   1 in 10 in any assembly, care, care and treatment, detention or residential occupancy, (b) 1 in 6 in an industrial occupancy,     (c)   1 in 8 in all other occupancies, and     (d)   1 […]

Receptacles (see Appendix B) 1) All receptacles installed outdoors on fixed or floating piers, docking facilities, marine wharves, or boathouses, including receptacles intended to supply shore power to boats, shall a) for receptacles rated 15 A and 20 A, be of the straight blade or locking type conforming to either Diagram 1 or 2;b) for […]