Re: More on "cheater plugs"

On May 16, 7:47 am, "BretLudwig" <bratziru...@[EMAIL PROTECTED]
> wrote:
>  Anyone with any military surplus US test equipment has probably seen
the
> Keydick plug. The Keydick plug is a two pin male 110-120 plug with the
> third grounding pin externally mounted on a hinge so that one may use or
> not use it.
>
>  It's called a Keydick plug because its invention is attributed to one
Don
> Keydick. That's what the flip over prong looks like to some, I guess.
>
>  I can't find a picture of one online anywhere right now. Perhaps
someone
> else knows the proper nomenclature for what I am talking about. You see
> them at hamfests all the time.
>
> --
> Message posted usinghttp://www.talkaboutaudio.com/group/rec.audio.tubes/
> More information athttp://www.talkaboutaudio.com/faq.html

 This is actually the  "selectable grounding power connector"  and is
used because many ****ps had 400 Hz 115 V electrical power. Their
sockets do not have the ground pin. Equipment having the third pin was
not 400 Hz compatible. With this connector it could go either way.