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9.33.6.15.(2) | Application | Intent |
OS3 | OH1 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Safety cut-off for electrostatic-type filters for
air duct distribution systems serving heating systems in which the rated heat
input does not exceed 120 kW and serving only one dwelling
unit, in buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Application 2: This also applies to ventilation ducts and their fittings,
as stated in Sentence 9.32.3.11.(1). |
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Intent | Intent 1: To limit the probability that electrostatic filters will
remain energized while being inspected or removed, which could lead to persons
being exposed to electric shock, which could lead to harm to persons.
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