Sub mains

[colin_scuba]

6 apartments on 3 floors being fed from switch room in cellar, maximum rating 80amp.
Can I use 16mm twin and earth as oppossed to armoured to save on costs?

 

[guest119]

Is this all foor renting out or is there any possibility, however remote, that they will be sold?
If so you should be looking at wiring in a way that could be adopted at a later date by the leccy board.
IE 16split on tray for example.

Boydy