Excellent reminder to ensure I lock off the householder in the downstairs loo in future to prevent them sticking their fingers on the busbar fingers while the MCB's are in my pocket :innocentThis reminds me to remind you all that the (memorandum of) guidance on the electricity at work regs was revised in October 2015, a free copy is available for download here http://www.hse.gov.uk/pubns/priced/hsr25.pdf ready for any inspection visit.