Finally, should perhaps said that foolproof method giving protec-
tion people animals who simultaneously touch both live and neutral
has yet devised.
The RCBO gives the combined protection MCB plus RCD for each
final circuit protected and the event fault occurring only the
faulty circuit interrupted.
. fault any one final circuit will trip out
all the RCD protected circuits which may cause inconvenience. The ultimate safety installation depends upon
the skill and experience the electrical contractor and the good sense of
the user.Overcurrent, short circuit and earth fault protection
253
In split board consumer unit, about half the total number final cir-
cuits are protected the RCD
