I'm using Motorola 30A in both legs, with the Micor/Syntor style inline fuse holders. 73, matt W6NIA .On Mon, 12 Mar 2012 15:26:28 -0700 (PDT), you wrote: >While on the subject of fuses, what do you think would be a appropriate size >for fusing both positive and negative leads for a K3/100? 25amp? 40amp? >73 >Keith N8CEP