[Collins] Fuse blowing in Power supply on 32S-1

[Jim Isbell]

ONLY if there is a black.  In this case, there was a yellow and a 
 green.  Yellow was ground!!!!!

Dr. Gerald N. Johnson, electrical engineer wrote:

>BLACK is ground in electronics. Green is ground in power only. Black was
>ground in electronics before there was a ground wire in electric power.
>Green was often a grid circuit in electronics. But then there are the
>diverse color codes for transformers where green means 6.3 volt heaters
>and black means line windings. And different color codes for IF
>transformers with leads...
>
>73, Jerry, K0CQ
>  
>