Connecting Safety Interlock Switches in Series

July 29, 2024 / in Machine Safety Blog
To save on costs and simplify wiring, a standard method of connecting multiple interlock switches is daisy chaining them. Daisy chaining means connecting several devices in a linear series. But doing it that way may present what is called fault-masking, which are faults that the safety system may not detect. Daisy Chaining Mechanical Interlock Switches…
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Interlocked Guarding

December 1, 2022 / in Machine Safety Blog
We always tell people to get interlocked guarding over their non-interlocked versions. In fact, most of the safety guards and shields that Ferndale Safety offers come with an electrical interlock switch. When wired correctly, this switch prevents a machine from starting and running while open. We believe that interlock guards prevent workers from doing unsafe…
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