Yes - sorry - we get so used to our local jargon
MCG = miniature circuit breaker - as opposed to MCCB - moulded case circuit
breaker
I've also seen RCDs called "Earth Leakage Circuit Breakers" - elcbs

Haven't come across GFCI but could well be the same thing

Richard

> -----Original Message-----
> From: Sean H. Breheny [mailto:shb7@CORNELL.EDU]
> Sent: Tuesday, September 14, 1999 12:00 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [OT] Muscle contraction. was: cats! -Reply
>
>
> Hi Richard,
>
> Thanks. Isn't this the same thing as a GFCI? I guess I have just never
> heard it called an RCD. I have never heard the term "MCB-type device"
> either. I assume "CB" stands for circuit breaker?
>
> Thanks,
>
> Sean
>
> At 11:43 AM 9/14/99 +1200, you wrote:
> >Residual current device (detector?)
> >
> >Basically an mcb type device that opens if the difference
> between phase &
> >neutral current exceeds a specified amount (5, 10 & 30mA are
> typical). The
> >difference current is assumed to be finding an alternative
> path via earth
> >and could then represent a hazard.
> >
> >Richard
>
> |
> | Sean Breheny
> | Amateur Radio Callsign: KA3YXM
> | Electrical Engineering Student
> \--------------=----------------
> Save lives, please look at http://www.all.org
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>