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The Test Probe SM390 of UL 498 Figure 139.1
19 Dec, 2023 174

The Test Probe SM390 of UL 498 Figure 139.1

Probe Test A tamper-resistant receptacle shall not permit contact to be made between the probe shown in Figure 139.1 and Figure 139.2 and any live part of the receptacle through the outlet slots when tested as described in this section. Twelve previously untested devices are to be used for this test. The probe shown in Figure 139.1 is to be applied to each of the outlet slot openings of the recept...

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