Minimum Branch Supply Duct Sizes Table 9.32.3.7.B. Forming Part of Sentence 9.32.3.7.(7) [mm]: Inche(s): = Table 9.32.3.7.B. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. Similar articles Total Ventilation Capacity Indoor Design Temperatures Temperature control Required Barrier to Air Leakage