Quote Originally Posted by JAZZCNC View Post
Doesn't matter really what you think the fact is only works one way.
Of course you are right :)
Thanks for the explanation, I needed that and will come back to it to read it again!

The way I think of a circuit is if it's open, then the current is free to run through. If it's closed its a broken component or disconnected switch or something :)

As I said, language difficulties!

Cheers