Hi all
I am about to replace my garage cu for Niceic assessment as old one has dodgy main switch (very stiff) i have 2.5 swa feeding the garage thats under concrete and is run the 10ft from the house to the garage-in good order ! i have the new garage cu its a europa 63a rcd protected and 32a mcb and 6a mcb fed cu thats supplied from the house cu on rcd side i was going to take it off the house rcd side and put on non rcd side to remove fault discrim on 2 rcd's but was told by a spark in local wholesalers to leave it on rcd side as one should opp in the event of a fault ! whats your views ? also as radial on power was going to replace 32a mcb with 20a or convert radial to ring as this will be better as will be able to show understanding etc of r1/r2/rn as well as R1/R2 etc the garage has 2 double sockets at mo and 2 lights so was going to add another double socket or 2 and conv to ring. also the wiring is on wooden boards (secured to metal frame) and not protected apart from pvc as t & e would it be better to trunk it all and as metal frame block concrete garage i will be 10mm bonding ext con paths.
Regards
Kung.
P.S. main house supply is TN-C, BS1040 100A 80A max demand.
Any pointers would be very much appreciated.
I am about to replace my garage cu for Niceic assessment as old one has dodgy main switch (very stiff) i have 2.5 swa feeding the garage thats under concrete and is run the 10ft from the house to the garage-in good order ! i have the new garage cu its a europa 63a rcd protected and 32a mcb and 6a mcb fed cu thats supplied from the house cu on rcd side i was going to take it off the house rcd side and put on non rcd side to remove fault discrim on 2 rcd's but was told by a spark in local wholesalers to leave it on rcd side as one should opp in the event of a fault ! whats your views ? also as radial on power was going to replace 32a mcb with 20a or convert radial to ring as this will be better as will be able to show understanding etc of r1/r2/rn as well as R1/R2 etc the garage has 2 double sockets at mo and 2 lights so was going to add another double socket or 2 and conv to ring. also the wiring is on wooden boards (secured to metal frame) and not protected apart from pvc as t & e would it be better to trunk it all and as metal frame block concrete garage i will be 10mm bonding ext con paths.
Regards
Kung.
P.S. main house supply is TN-C, BS1040 100A 80A max demand.
Any pointers would be very much appreciated.