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new RCBOs can't be installed on existing current bus bar.
Yes they can, the busbar hasn't changed, new RCBOs can be installed to replace the first four MCBs.
Discuss RCBO installtion in old MCU following EICR Report in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net
new RCBOs can't be installed on existing current bus bar.
No protection on the first four MCBs, plastic unit (front cover lid) and no SPD from what I recall.
Yes they can, the busbar hasn't changed, new RCBOs can be installed to replace the first four MCBs.
Reply to RCBO installtion in old MCU following EICR Report in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net