- Joined
- 27 Jan 2008
- Messages
- 25,092
- Reaction score
- 2,919
- Location
- Llanfair Caereinion, Nr Welshpool
- Country
You want an open circuit between line, neutral, and earth with isolator switched off.
Note isolator switched off, mcb is not good enough.
Note isolator switched off, mcb is not good enough.