[planigan]

I have review the switch I have mounted in the 37-650 unit I am restoring and found that even though it has "fish paper" insulator between switch and chassis on the inside, the threaded shaft and nut on the outside ground the switch to the chassis and thus the wiper. Only explaination I can think of for insulating on inside is to prevent terminals, which are located on face of switch, from shorting to chassis. Anybody have any other ideas on this? I am surprised that an extra part was used when it could have been avoided by bending back terminals to avoid the shorting. PL