[Elecraft] KPA500 - ground wire between the AC earth and RF output socket

[Jim Brown]

On 9/4/2011 6:52 AM, Johnny Siu wrote:
> On page 19 of the KPA500 kit assembly instruction, there is a green ground wire connecting between the AC Earth terminal and the case of the RF output socket.  It is my first time to see such a ground wire design.  Is there any specific reason for doing that?

This is a requirement of most electrical safety codes worldwide -- that 
is, the AC green wire MUST be bonded directly to the equipment 
enclosure. It is also good engineering practice.  See the tutorial on 
Power and Grounding that is on my website. 
http://audiosystemsgroup.com/publish.htm

73, Jim Brown K9YC