Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This one, concerning 'doubling-up' on the out-going terminal of a circuit breaker, is answered by the NICEIC:

Answer: Although Regulation 314.4 requires each final circuit to be connected to a separate way in a distribution board, a circuit may have more than one 'branch' connected to the appropriate way. Connection to the corresponding neutral and earth terminals will be required.
To see many more Q & A in Voltimum UK's Experts Area, please click on the link:
www.voltimum.co.uk/consult.php?universe=consult.index.questions