Example diagram

Camper 12V basics

Battery with main fuse, main switch, SmartShunt, busbars and a fuse box feeding two 12V loads.

  • 12V DC
  • 10 components, 12 connections

No account needed to open it. This example is a starting point, not an installation instruction: follow the manufacturer's manual and the rules that apply to you.

Parts in this diagram

These are the parts used in the example. Each one comes from the component catalogue with its real terminals, so you can swap in another model without redrawing the diagram.

  • Battery 12V 200Ah lifepo4-12v-200ah
  • Main fuse 200A mega-200a
  • Main switch main-switch-275a
  • Positive busbar busbar-positive-4
  • Fuse box 12V blade-fuse-box-6
  • LED spot 12V led-spot-12v-5w
  • Water pump 12V water-pump-12v-10a
  • SmartShunt 500A smartshunt-500a
  • Negative busbar busbar-negative-4
  • Chassis ground chassis-ground

How the parts are wired

For every connection you see where the cable starts, where it ends and what kind of connection it is. You fill in colours and cross sections in the editor.

  • Battery 12V 200Ah → Main fuse 200A DC power
  • Main fuse 200A → Main switch DC power
  • Main switch → Positive busbar DC power
  • Battery 12V 200Ah → SmartShunt 500A DC power
  • SmartShunt 500A → Negative busbar DC power
  • Battery 12V 200Ah → SmartShunt 500A DC power
  • Positive busbar → Fuse box 12V DC power
  • Fuse box 12V → LED spot 12V DC power
  • Fuse box 12V → Water pump 12V DC power
  • LED spot 12V → Negative busbar DC power
  • Water pump 12V → Negative busbar DC power
  • Negative busbar → Chassis ground Ground

Open this diagram and adapt it

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