1 Survey. 100 A main fuse, PME. A split-load house board with two 30 mA RCDs and a spare way. The garage keeps its own 40 A way.
Tap or drag for each stageRatings and depths for a 100 A single-phase PME supply. The cable underground in the duct is SWA (steel wire armoured); the duct, its depth and the cover follow the design and the ground it crosses. Typical figures, not a design.