Kubota GL6000-AUS Operator's Manual page 21

GROUND FAULT CIRCUIT INTERRUPTER (GFCI) RECEPTACLE 9
B Control Box
(1) Emergency unit
(2) Regulator
(3) Glow relay
(4) Relay A
(5) Relay B
(6) Glow lamp timer
(7) Starter relay
(8) Exterior connection terminal taps
(9) Separate excitation unit