To supersede the requirements of Sentence 220.127.116.11.(1) and not require a protective covering, if certain conditions are met [minimum clearance].
This is to limit the probability that heat radiating from a range or from open fire will ignite the cabinetry, which could lead to the spread of fire, which could lead to harm to persons.
To supersede the requirements stated in CSA B149.1, referred to in Sentence 18.104.22.168.(1), with regard to natural gas ranges, in cases of conflict.