Requirements start from the input to the consumer unit.
What it means
Consumer unit design needs to incorporate changes in the standard for increased safety in the installation.
Various designs need to be made available dependant on the size, type and installation methods employed from:
- Standard CU with RCBO’s for particular circuits.
- Split load CU with grouped circuits fed from one RCCB and RCBO’s on some circuits
- Double Split load CU with grouped circuits