On Sun, 22 Jun 2014 22:07:05 -0700, John Gardner wrote:
:: And "RCD" is...  ?

Residual Current Detector, I think the US has a different name for them, I=
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believe the US calls them Ground Fault Current Devices ~ GFCDs.

An RCD detects an imbalance between the phase (live) and return (neutral)=20
connection, if there is it trips cutting the supply.

Most domestic devices trip at 30mA, but there are 15 and 10mA ones out=20
there at vastly inflated price.  Hospitals tend to use 15mA trips.

Colin
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cdb, colin@btech-online.co.uk on 23/06/2014
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