Power to shed

[helzapoppin]

I have just knocked down a prefab garage which had power to it, power was run from my consumer unit rcd. b16 fuse, 4mm twin and earth cable run down the inside of the house to a metal junction box,then from junction box in 4mm armoured cable to consumer unit in garage total cable length 15 meters. i now want to run a new 4mm armoured cable from the junction box to a shed this would make the cable run 21 meters would this be ok. i have transfered the consumer unit and two 13 amp sockets and a light from the garage to the shed can i wire this up or have igot to get a electircian in.

[tedward]

Yes - you obviously don't know what you are doing so call an electrician.

[helzapoppin]

i am going to get a electrician in , i am going to use one that is niceic registered. are they all p registered under that scheme thanks for reply tedward

[Ohmslaw]

Anyone that is a member of NIC, Napit, Elecsa, etc should be registered to self certify their own work in accordance with part p of the building regs.