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Changing an MCB to an RCBO 17 edition wiring regulations
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drchris
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Changing an MCB to an RCBO 17 edition wiring regulations

by drchris » Wed May 13, 2009 4:27 pm

If your changing an mcb to an rcbo, according to the iee 17 edition wiring regulations: https://www.diydoctor.org.uk/projects/iee.htm do you have to re test the circuit?
kbrownie
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by kbrownie » Thu May 14, 2009 12:58 pm

In theory, if you changed the fuse or mcb it should be tested, so yes you do.
You will also need to do an RCD test on your RCBO
KB
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