Wiring for Shed

[mjtefc9]

Good morning all..

Just wanted to ask for some advice.

Running power to my shed from my consumer unit..(I know it is notifiable)

I will be running 6mm armoured, so I come out of my CU with some 6mm FP I have and straight through the wall to the back of the house, I then use a JB to joint to the armoured.

My question is.. do I need to fire seal the hole?

The CU is in the garage, mounted on breezeblock, and the garden is directly behind this I literally come out the top of the CU 100mm and straight the the wall.

Prob over thinking, but advice appreciated.

Thanks

Mark

 

[cwhaley]

Why not just spur off the ring main with an FCU, run cable through the wall to an outside mounted junction box and then run SWA from that to the shed? That's what I did -- looks neat, is protected by the RCD on the downstairs sockets circuit and should anything go wrong in the shed that whole run of cable is protected by a 13a fuse in the FCU.

EDIT -- just read that the consumer unit is in the shed. If you're not going through a fire break point then no (if I have read the regs correctly).

 

[mjtefc9]

Why not just spur off the ring main with an FCU, run cable through the wall to an outside mounted junction box and then run SWA from that to the shed? That's what I did -- looks neat, is protected by the RCD on the downstairs sockets circuit and should anything go wrong in the shed that whole run of cable is protected by a 13a fuse in the FCU.

EDIT -- just read that the consumer unit is in the shed. If you're not going through a fire break point then no (if I have read the regs correctly).

Hi, No the CU is in the garage.. but will be running it to the shed..

I did think of doing as you suggested, but with the CU being where it is, I thought I would add a designated circuit.

 

[winston1]

Why not just spur off the ring main with an FCU,

Many reasons not to do that “cowboy trick”. The most obvious is that maybe he needs more than 13 amps in the shed.

 

[cwhaley]

Many reasons not to do that “cowboy trick”. The most obvious is that maybe he needs more than 13 amps in the shed.

Maybe they do, maybe they don't -- it's not stated so would be speculation. I've just offered a viable solution. The only clue to the OP's suggested method was through ease, rather than through requirement for loads greater than 13a.

Definitely not a "cowboy trick" anyway, and certainly offered as a solution on these forums long before I joined. An FCU safely powers anything I want to run from my shed (pillar drill, bench grinder and mitre saw).

 

[mjtefc9]

I think regardless, I will be coming through the wall direct to the CU.. just looked at the regs and there is no need for fire sealant, although I may use some anyway.

I think I'll just use the double insulated SWA tails directly into the board rather than joint with the FP.

 

[bernardgreen]

I think I'll just use the double insulated SWA tails directly into the board rather than joint with the FP

Which is what I did. With hindsight I should have used a banjo to earth the SWA instead of relying on the die-cast box.

 

[mjtefc9]

Hi All..

I'm not able to pull the SWA for a few months now.. But before the builders start this week I do need to come out the CU and into a adaptable box outside for when I do.

We are going with 6mm, so can I just use https://www.cef.co.uk/catalogue/pro...VDYODBx1T-QTLEAQYASABEgLUx_D_BwE&gclsrc=aw.ds

Then come from that with the SWA in the future ? I Literally only need about 3mtrs.