CIRCUIT BREAKERS AND WIRING.
5-30. CIRCUIT BREAKER MAINTENANCE (M915, M916, and M920) (Continued).
To prevent electrical shorts and damage to wiring or other components,
always: use one flat washer and two locknuts on the top row of terminal
studs (copper), except no flat washer is used where a bus bar is present.
Use one flat washer and one locknut on the bottom row of terminal studs
Connect wire terminals to the correct circuit breaker or diode and to the
correct color terminal stud as illustrated.
Circled numbers in the illustration are wire numbers, while uncircled
numbers are legend items.
Wire number 15D used on M916 and M920 only.