Hi Johnnie,
I don’t have any information regarding what aircraft type the switches were fitted, but AP1086 Sec 5CW has the following info listed:
Switches, manually operated
Type 8B No1
4 terminals
1 pole
20 Amp
28 Volts
Dimensions 1.95″x1.32″x2.5″
3 Way centre lock, weight 0.23lbs
Drawing number D.10001
Class of stores B
Hope that helps with you finding out what it was actually used on!.
Regards
Dave