The installer probably took it apart to fix it to the wall, then wired the RCD in the same way that the main switch is. Perhaps they usually fitted split boards with the RCD in the middle?
For the eagle-eyed folk...
- Thread starter Adam_151
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Are you self-employed?
If so, stick a flyer through all the doors of properties that may have been wired at the same time.
Point out that is a potentially lethal fault & offer to rectify the mistak for a fixed fee.
If so, stick a flyer through all the doors of properties that may have been wired at the same time.
Point out that is a potentially lethal fault & offer to rectify the mistak for a fixed fee.
Well it actually looks as if the connection to the N bar on the LHS is a red cable.Where and how, does the red and black from the rcd connect to
Is it actually all connected up OK, and working OK, but just (I know it's more than just a "just", but you know what I mean) that the cables are the wrong colour?
OTOH, is there a split in that busbar? Does the RCD do anything?
Has you, Eddie?
those boards arnt vari-split, they are 5+5 or 6+6
The red cable does not connect to the N bar, it passes through a hole in the 'gear tray'/'pan assembly' /whatever you want to call it, and emerges (along with the black) at the bottom of the main switch in order to feed the RCD from the outgoing of the main switch. The connection to the N block is a copper link straight out of the bottom left hand side of the RCD
It 'worked' for 12 years like this, it is fortunate that during those 12 years that no faults occured as the entire RCD side of the installation was reverse polarity!
Black is correctly connected to neutral, Red to live at the iso ... down at the bottom of the RCD, the right hand side feeds into the busbar, while the left hand side has a U shaped bit of copper to connect it to the N block...
It is correctly split, it just looks close because the way these boards are arranged with rcd at one end, iso at other... the two banks of MCBs sit right close together, and as someone else alluded to, the split is not adjustable, the busbars are made the right length in the factory
OK
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