"Ring does not loop test"

[nickblake]

Hey, we have dodgy days!

Have a look at this: http://www.esc.org.uk/fileadmin/user_upload/documents/industry/best_practice/BPG8_10.pdf

Especially interesting is the piece on TN-C-S systems.

agree with that one look at my post new what i wanted to say cogs in the head clicked into gear shifted too quick engaged into reverse lost a few teeth ,back fired and then ended up with a half cocked answer makes you want to smack you head against a wall but that would hurt as im a wimp lol

 

[topquark]

If you think about it, it's not actually possible to design a plug in tester that could tell a N/E swap from the 3 points available at a socket outlet. Even if you gave the device the additional knowledge of the earthing system in use.