https://www.dungannonelectrical.co.uk/dun1-shop/pdf/cable/SWA.pdf
the above link is for the manufacturer SWA cable installed on a PME exported into a second building using a 50mm twin SWA where there is main bonding to water pipes in place at 10mm.
the cable is 50mm 6943X 50 which is 74mm steel and the equivalent copper is 32.8mm which is well above the required 16mm
the above link is for the manufacturer SWA cable installed on a PME exported into a second building using a 50mm twin SWA where there is main bonding to water pipes in place at 10mm.
the cable is 50mm 6943X 50 which is 74mm steel and the equivalent copper is 32.8mm which is well above the required 16mm