In the mean time I notice the ebay bid is up to $180. I wonder what a
c4mf or a c8df would fetch?
George
=========================================================
George L. Rachor Jr. george_at_racsys.rt.rain.com
Beaverton, Oregon
http://racsys.rt.rain.com
United States of America Amateur Radio : KD7DCX
On Tue, 20 Apr 1999, Daniel T. Burrows wrote:
> >Please ? Equipment that assumes Neutral (protective ground) = Ground ?
> >At least over here this kind of device is _strictly_ forbiddeen since
> >>30 years, and I assume it's the same all over Europe. Only machinery
> >with distinctive Ground and Neutral or with isolated interior is allowed
> >(the wide variety of outlet/plug systems within Europe did support the
> >later one a lot, since most are at least compatible for 'hot' and Ground
> >pins :).
>
>
> In all of the UK equipment that I service from one particular manufacturer
> they only switch and fuse the one hot lead. The Neutral is "assumed to be
> at / near ground so it need no protection. If this is wired to a standard
> US residential then you will have no fuse protection on one lead. It will
> also be floating when switched off waiting to bite you.
> See the following attempt at ASCII art wiring which looks wrong if not
> viewed fixed width.
>
>
> US residendial 240 /120 mains power
>
> _______240V_________
> | |
> Hot____ Neutral_____Hot
> | | |
> |__120V___|__120V___|
> |
> |
> |
> Ground
> This is tied to Neutral
> at service entrance ONLY.
>
>
> >standard voltage (with an upper limit of 120) which comes to 200V (208V),
> >and not 220 - and 200 is definitive to low to drive 230V (240V) equippment.
> >Not even the old standard 220V Eq will run properly in all cases.
>
>
> This is where the US confuses people. In commercial 3 phase it is 120 phase
> to neutral. 208 phase to phase.
>
> Again with neutral tied to ground at the service entrance ONLY.
>
>
Received on Tue Apr 20 1999 - 09:31:51 BST