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Hi all new to this so hopefully i can borrow some wisdom. I am currently carrying out a periodic inspection and testing of a commercial property. I have a db with 40 of the same circuits. The circuit is a 6mm radial to a junction box then a 2.5mm ring for 20 sockets. The circuit is wired in 6mm singles radial then 2.5mm singles in a ring. This is protected by a 40a RCBO 30ma type c. I am getting readings of around 1.20 for my R1 & R2 readings. This is the same for all these circuits. Connections are all tight inside sockets. How can i lower the readings to allow me to keep the same size of RCBO.
Thanks in advance.
Thanks in advance.