This B&B Pro Panel has 16 Fuses and four 40 amp relays for either electric fans, electric fuel pump(s), headlights whatever needs a relay in a low power circuit. This particular fuse panel has four grounding buss bars in the center of the panel with 4 screws on each bar. A compact panel for Streetrods, Classic Cars, Boats, Muscle Cars & Pickup Truck Pullers! Comes with numerous different ATO fuses to dial in the panel to your vehicle. One half of the panel is hot for Battery accessories, and the other half is ignition controlled by the ignition switch when the key is ON. Common ATO fuses are used. Comes with protective cover and decal sheet to mark your fuses. B&B Custom Circuits Pro Panels are the way to fly!