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RCBO failing insulation test when switched off

Former Community Member
Former Community Member

Hi

 

I am fairly new to the trade and finding things I am unsure about, sorry for what is probably a very basic question

I have been taught that switching of an RCBO should be enough to enable a good insulation test.

When running some tests on a ring final with double pole RCBO detection yesterday I found that I had to disconnect the wires from the RCBO to get a good result. I have assumed that this is just down to the design of the RCBO and past the installation, is this the correct action?

 

Thanks

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    As Zoom said, also watch out for surge extension leads, neons, RCD sockets, usb sockets etc.

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  • 0

    As Zoom said, also watch out for surge extension leads, neons, RCD sockets, usb sockets etc.

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