Diagrams3 min read
What Makes a Good Electrical Diagram for Campers and Boats?
Confusing wiring diagrams cause mistakes and frustration. Here’s what makes a good camper or boat electrical diagram: clear, consistent, beginner-friendly, and accurate.
Build Your Perfect 12V Electrical SystemWithout the Guesswork
Whether you're converting a van, outfitting a boat, or going off-grid — VoltPlan makes electrical planning simple, safe, and fun.
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New companion app
Cable by VoltPlan is now on iOS
Plan safe DC wiring on the go and sync with VoltPlan for full system design when you are back at your desk.
- Automatic cable sizing with built-in safety guardrails
- Real-time fuse and breaker recommendations
- Hand off projects to VoltPlan for detailed diagrams
Choose Your Electrical Adventure
Build Your Van Life 12V System
Design the perfect 12V electrical system for your camper van conversion without the guesswork. From solar panels to battery banks, create a reliable power setup that keeps your adventure going.
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Van Life Dreams
Perfect for camper conversions
Sail Away
Marine electrical systems
Marine 12V Electrical Systems
Build the perfect 12V electrical system for your boat. Navigate the unique challenges of marine environments without the guesswork using our specialized marine electrical templates.
Start Boat ProjectOff-Grid 12V Power Systems
Build your perfect 12V electrical system for your off-grid cabin or tiny home. Design solar arrays, battery storage, and backup power solutions without the guesswork for complete energy independence.
Start Off-Grid Project
Off-Grid Paradise
Cabin & tiny home setups
Learn Electrical System Design
Expert guides on 12V electrical systems, camper wiring, van life power, and off-grid electrical design.
Solar Power3 min read
Why VoltPlan Diagrams Start with Series Solar Wiring
Series wiring is safer, simpler, and works better for 99% of solar installations. We're building the tool that helps you get your system right the first time.
You're Part of the VoltPlan Family
As an early adopter, you're not just a user — you're helping us build something amazing. Every suggestion, every piece of feedback makes VoltPlan better for everyone.
What we're building together:
Smart Wire Calculator
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