Hi there please accept my apologies for the late reply,i wont bore you with the story. I've done as suggested and here are my results.
1) orange 240v,white 27v,grey 0v
2) orange & white 0v,grey 240v
3)orange & white 0v,grey 240v
4)orange & white 0v,grey 240v
The 1st result gave a slightly...