In Reply to: You've got me posted by joh on Wednesday, 17. February 2010 at 17:00 Bali Time:
electrical instrument. It has an end on like a crab claw. Place an electrical wire in it's claw and it measures the current passing through the wire. An electricians tool. Can tell how much electricty any particular electrical item is using and many other uses. That is it as simple as I can make it.