[alantf]

[attachment=0:rvbti8kl]img002.jpg[/attachment:rvbti8kl]They say a picture's worth a thousand words, so I've done a little sketch. With the meter set to ohms (say, the 200 ohm scale) you should get a reading of just above zero( i.e. no resistance to earth.) I say "just above" zero, because the meter will read the residual resistance of the meter & leads.