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6.2.4.1.(2)
OS3
ObjectiveOS3 Safety in Use
Attribution
(a),(b),(d) [F44-OS3.4]
(c) [F81-OS3.4]
Application
Application 1: 
Carbon monoxide alarming devices in buildings to which Part 6 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 6] that contain a residential occupancy and:
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Intent
Intent 1: 
[Clauses (a), (b), (d)] To limit the probability that the performance of carbon monoxide alarming devices will fall significantly below expectations, which could lead to carbon monoxide gas entering living space undetected, which could lead to the acute poisoning or asphyxiation of persons.
Intent 2: 
[Clause (c)] To limit the probability that electrical connections and circuits for carbon monoxide alarming devices will be disconnected, which could lead to carbon monoxide alarming devices becoming non-operational, which could lead to carbon monoxide gas entering living space undetected, which could lead to the acute poisoning or asphyxiation of persons.
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