So have my three phase supply up and running now. Used wylex tp boards, one in the under stairs feeding the ground floor cu and 1st floor / upper floor cu and feeding the garage via 4core cable and the other in the garage. all cables to submaines are swa, 16mm protected with 63amp mcbs. Submain boards are full rcbos in the house submaines and sokets in the garage. Mcb for the three phase to the lathe which now runs a treat. Much better than before on the inverter...
Work done by me and signed off by local bc and tested by qualified inspector. Very happy with my handiwork so far and can't wait to replace the old cu which is a nightmare mess...very bad 1970's DIY install...why use the neutral bar when you can just use a piece of red 16mm meter tail from the neutral bar to an earth block screwed onto the wooden backer board and run all the circuits' neutrals to this?? !!!
Work done by me and signed off by local bc and tested by qualified inspector. Very happy with my handiwork so far and can't wait to replace the old cu which is a nightmare mess...very bad 1970's DIY install...why use the neutral bar when you can just use a piece of red 16mm meter tail from the neutral bar to an earth block screwed onto the wooden backer board and run all the circuits' neutrals to this?? !!!