This article considers two options for satisfying the earthing and bonding requirements of BS 7671 for such a supply. Basic requirements for earthing and bonding Where an installation serves more than one building, main protective bonding is required ...
Q & A of the Day – What are the earthing requirements for using SY cable on single- or three-phase extension leads?
James asks this question, which is about the earthing requirements for using SY cable. It has been answered by the NICEIC (Theme – Cables, Wiring and Wiring Accessories):