Graph Tech Ghost - Manual (Page 73)

73
BAD
Sometimes a loop can be formed accidentally, through cavity
shielding or another conductive component. If you’re experiencing
problems, “think like an electron” and see if there’s more than
one way to get back to ‘true ground’. If you find several paths,
eliminate them until there is only one wire to take you home.
Pot & switch mounting hole diameters
Pots 9/32”
QuickSwitches 1/4”
Stereo Switched Jack 3/8” (recess in 7/8” hole if necessary)