Using the Megger 1553 to test a RCD protected cooker switch point/s Zs
Being RCD protected I went for the three lead method, upon making the live connection I got a flash, which scorched the probe a bit.
I tested on the feed side.
Why would that happen
Being RCD protected I went for the three lead method, upon making the live connection I got a flash, which scorched the probe a bit.
I tested on the feed side.
Why would that happen