In Plain Language

Adapters, connectors, or mechanical joints used to connect pipes of different materials must be suited to both materials, preventing corrosion or leaks caused by incompatible metals or plastics touching.

This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.