Extending all circuits for CU move

[Fin170]

In traditional form of recommendations you could also connect an emergency light at your joint box, handy if it's going to be above your CU and the clients are elderly

 

[LineProducts]

What wholesalers have wago/line products on the shelf? I have a similar job myself coming up

If you are after din rail connectors you are unlikely to find a decent selection on the shelf.