> >Interesting. We use to have that system in the UK, but it is no longer
allowed.
> >These were called ELCB - Earth Leakage Circuit Breaker - popularly called
> >'voltage trips'. These days, we have 'current trips', which work on the
basis of
> >live and neutral currents differing by more than 30mA.
Now that's interesting, as I remember fitting current operated (30 or 100ma)
ELCB devices.
Amazing how little current is required to make a cow jump!
And if you make the cow jump more than once, the telepathic link to the
farmer makes him jump to. :-)
RCD's now, aren't they?
73 de Andy
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|