A large extension (utility, kitchen, cloakroom, dayroom, 2 beds, 2 ensuites plus garage)
The existing CU has no RCD.
Proposal: From meter tails install henley block and 60A switch fuse.
From switch fuse run 16sq mm 3 core SWA 7 Meters to IP65 box along outside wall.
Within IP65 box, connect via henley block and crimp to 16sq mm twin&earth (3Meters) and 16 sq mm earth cable to a new consumer unit to feed extension and garage. New consumer unit to be 5+5+2 "high Integrity" wylex. (one of the ways of main switch to feed smokes x 3 off 6A RCBO.
Any issues so far ?
The existing CU has no RCD.
Proposal: From meter tails install henley block and 60A switch fuse.
From switch fuse run 16sq mm 3 core SWA 7 Meters to IP65 box along outside wall.
Within IP65 box, connect via henley block and crimp to 16sq mm twin&earth (3Meters) and 16 sq mm earth cable to a new consumer unit to feed extension and garage. New consumer unit to be 5+5+2 "high Integrity" wylex. (one of the ways of main switch to feed smokes x 3 off 6A RCBO.
Any issues so far ?