Jester
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Assume you have a power supply with hazardous voltage (240Vac) inside a non-metallic enclosure that requires some cooling, hence some slots in the enclosure to aid with cooling. I recall the slots must be smaller than some dimension (tested with UL test finger). The closest hazardous component (a fuse) is spaced 250 mils behind the slot.
Does anyone know what the maximum opening size can be that will prevent the finger from accessing the fuse?
Does anyone know what the maximum opening size can be that will prevent the finger from accessing the fuse?