Start here
Two audiences, one safety frame. Pick the route that fits you — every page links onward to the detail.
I'm a homeowner weighing it up
Start with whether your EV can power your home at all, and what V2L can realistically run, before the engineering.
I'm a qualified electrician / installer
Go straight to the contested parts: the floating-output earthing, the interlocked changeover, and the clause map.
I want to identify my supply first
Before anything else, know your earthing system — it changes the whole design.