UL 4600 uses a safety case approach. A safety case is a written document that gives a methodical explanation of why a system is acceptably safe. It contains claims (what does it mean to be “safe”), argumentation (why should we believe it is acceptably safe), and evidence (what data supports the argumentation). This is a non-prescriptive approach in that there is no set requirement for building the system in a certain way or using particular components. Rather, the emphasis is on making sure that the safety case does not leave out important parts of the explanation.

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Categories: Safety, Standards, UL4600