Andy Wade wrote:

The only type I have seen are the very high sensitivity clamp meters,
that you place around the phase and neutral to your appliance /
circuit / whatever of interest. They then measure the (very small)
imbalance if present.

Not cheep mind:

http://wiki.diyfaq.org.uk/index.php?...up_access_tips

Err, error no. 42: context mismatch in link destination :~) Perhaps you
meant http://www.martindale-electric.co.uk/clamp.htm#cm67

Ermm, yes - much closer ;-)

(damn past buffer - keep any crap some fool sticks in it!)

--
Cheers,

John.

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