Hi all,
After some advice.
I'm xporting a PME supply to a timber shed/workshop with no extraneous-conductive parts. The supply will come from an aditional CU in the house with a 40amp MCB and the outbuildings will have the following circuits fed from a CU in the shed/workshop:
In my situation, will the armour of the 2 Core - 10mm2 PVC XLPE SWA be sufficent CPC to export the TN-C-S earth to the outbuildings or can I only earth the armour of the cable as far as the shed/workshop and then have to TT the outbuildings?
Thanks!
After some advice.
I'm xporting a PME supply to a timber shed/workshop with no extraneous-conductive parts. The supply will come from an aditional CU in the house with a 40amp MCB and the outbuildings will have the following circuits fed from a CU in the shed/workshop:
- 4mm2 radial socket circuit with 8 double sockets for TV, computer, phone charger, desk lamp, charging batteries of power tools and occasional use of a 1kw heater & 1500w table saw.
- 1.5mm2 lighting circuit with 8 LED downlighters, LED floodlight, 2 x LED bulkhead lights and two CCTV cameras.
- 2.5mm2 circuit for single 16amp welder socket for very occasional use of a small MIG/compressor.
- 10mm 3-core SWA 22m run to small BBQ cabin for 4 double sockets (3 x indoor / 1 outdoor) for occasional use of lower power devices.
In my situation, will the armour of the 2 Core - 10mm2 PVC XLPE SWA be sufficent CPC to export the TN-C-S earth to the outbuildings or can I only earth the armour of the cable as far as the shed/workshop and then have to TT the outbuildings?
Thanks!