Abstract: A junction box for a motorcycle including a receptacle and a cover which form an enclosure mounted on the motorcycle, a terminal assembly mounted in the enclosure, a plurality of circuit interrupters for interrupting a circuit upon the occurrence of a fault. The circuit interrupters are mounted on the terminal assembly for being connected respectively to a plurality of electrical circuits on the motorcycle. A first additional circuit interrupter for interrupting a circuit upon the occurrence of a fault is mounted in the enclosure for being connected to a starter relay and a second additional circuit interrupter is mounted in the enclosure for interrupting all of the electrical circuits.