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  • Users: rpm3232
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  1. rpm3232

    UL508 Disconnect vs UL98 Disconnect

    When is it OK to use a UL508 Disconnect in place of a UL98 disconnect on a UL508A listed panel? We have a panel that mainly controls a motor, but has other circuits (ie. PLC, I/O). This must go through UL certification soon. I have heard multiple explanations on this and could use a NEC 409...

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