Re: gEDA-user: Contact reliability

[Karel Kulhavy <clock@xxxxxxxxxxxxx>]

On Wed, Jan 19, 2005 at 03:24:35PM -0500, Dave McGuire wrote:
> On Jan 19, 2005, at 2:51 PM, Igor Izyumin wrote:
> >>Currently, Ronja is using wire nuts. We haven't yet noticed a failure 
> >>tracked
> >>down to a wire nut and they are mechanically rugged. Also they seem 
> >>to perform
> >>fairly well up to say 300MHz (when the incoming and outgoing cables 
> >>are
> >>impedance-matched coaxials) according to edge observations on 
> >>oscilloscope.
> >>
> >Technically, these aren't wire nuts, they are terminal strips.  Wire 
> >nuts are used (at least in the USA) as a sloppy (but code-compliant) 
> >way to connect power wires together (you twist the cables together and 
> >screw on the wire nut).  Here's a picture of some: 
> >http://www.dansmc.com/wire_nuts.jpg
> 
>   Ugh.  I despise wire nuts.

What does the wire nut do? Is it a plastic cap that protects the twisted
place against untwisting?

Cl<