Command Center with Fuse Box for CAN-AM Commander by EMP Extreme Metal Products Command center with Rocker Switches and Fuse box for the Can-am Commander. Extreme Metal Products is one of the best brands when it comes to UTV accessories. They continually add their stamp to a line of innovative products all made right here in the USA. BillaVista - Can-Am Accessory Fuse Box ATV Tech Overview. This is a shot of the finished product. The main components are a circuit breaker to protect the main 12V supply wire, a relay to power the accessory fuse box only when the key is turned on, and the 4-slot fuse box. The relay and fuse box are riveted to the black plastic "battery tray" under the seat.