[Amps] Switching the cathode circuits

[Jim Isbell]

My amp will have 5 tuned circuits in the cathode.  They are in a fully 
enclosed/shielded box with a switch shaft out one side.  The problem is 
ganging the Plate tank switch to the cathode switch.  Mechanically a 
nightmare on my particular chassis.  SO what I am wondering about is 
using a shielded cable 5" long from the cathode circuits  (under the 
chassis) to the un used wafer on the band switch which is above the 
chassis to do the switching.  Or moving the cathode circuit box to above 
the chassis for a shorter connection to the unused wafer.

Would this be too close to the output tank?