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Hello Gents, I have been out of the trade for a time (hence Im a bit rusty) and need to ask the following so I know where I stand regarding this scenario! Does a DNO 30mA RCD Isolator satisfy 411.4.204 (411.3.2.2) Scenario is: Domestic property, late 60's/early 70's, TN-S, old wylex 4 way...

Hi Everyone, Im a new poster.  My question regards IR testing a 'locally' isolated 3ph motor on an industrial machine, where the rest of the machine is still powered up. Scenario: This question could apply to numerous machines, but lets say this machine is an oven line with 3ph motors driving...