I am currently contracted to build a large decking area with spot lighting and outdoor power points. can soneone please help me out with the regs on wiring, the electrician on site has laid over 40 foot of buried armoured cable and 3 core flex (providing power to and from a shed and supplying feeds to uplighters in wooden 'stepping stones'). At what depth do these have to be buried? ( the electrician had assured me 8 inches is sufficient) and does the un-armoured flex have to be tacked to the decking joists?
Lights and power supplies are all 240V.