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Re: [LUG] Clamp-on Ammeter ?

 

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Robin Cornelius wrote:

> Clip on meters only work if you can get ONE conductor through the clip
> on area, eg the current only flowing in one direction, if you clip on
> a standard mains cable etc you will measure nothing as the magnetic
> field is canceled out by the pair of cables. Basicly they work on
> transformer action.

About the only place you can do this on a regular household setup is on
the meter tails. Thus you'd need to switch everything else off. In which
case you don't really need an additional meter :)
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