[Boatanchors] somewhat off topic (switch ID)

[John Lawson]

On Thu, 1 Apr 2010, Dick KF4NS wrote:

>
> ON-NONE-ON


  The switch has two mechanical positions - will not stay in the 'center'



>
> ON-OFF-ON


   The switch has three mechanical positions, either extreme of travel and 
center.  Used where one of two circuits need to be switched "either-or" or 
both "off".


>
> What is the difference in the last two? They are different listed part
> numbers for the same type switch.
>


   The momentary types of course are spring-loaded to either return to 
center [wasn't that an Elvis tune?] or to return to one of the two 
positions.


  Cheers

John KB6SCO