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Probe for Impeller of Portable Appliances of UL 507 Figure 9.1
28 Nov, 2023 213

Probe for Impeller of Portable Appliances of UL 507 Figure 9.1

Portable fans and window fans Other than as described in 9.2.2, a moving part that causes a risk of injury to persons shall be guarded or enclosed. A moving part such as a rotating grille, rotating air deflector driven by an airstream, or an impeller is not required to be guarded when the moving part complies with all of the following applicable requirements: a) When motor driven, the impeller: 1)...

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