Why Does My RCD Keep Tripping? How to Narrow It Down Before You Call an Electrician
An RCD trips because it has seen current leaking where it should not. The usual causes, how to narrow it down to one circuit or appliance, and the faults only testing will find.
RCBO Consumer Unit vs Split-Load: What a Fuse Board Upgrade Actually Changes
An RCBO consumer unit gives every circuit its own protection. Here is what a fuse board upgrade changes, what it does not fix, and why it is notifiable work.