Free van & RV electrical design tool
Plan your build with confidence.
Size your battery, solar, inverter, cables and fuses in minutes—then turn the plan into a complete van build.
One platform, the whole journey
Start wherever you are in van life.
Roam Wired connects the research, design and marketplace decisions that normally live across dozens of tabs.
Plan
Design your electrical system
Turn your appliances and travel style into a calculated electrical design, wiring diagram and parts list.
Create my electrical design
Learn
Build it properly
Follow practical guidance across electrics, plumbing, insulation, heating, furniture and layouts.
Explore Learn
Marketplace
Find your next move
Compare builders, camper van rentals and converted vans for sale.
Open the marketplaceYour van’s power plan, in your inbox.
Choose your appliances and travel style in the free calculator. We’ll email your private access link for the wiring diagram, parts schedule and planning PDF.
Create my power planOpen your email link to access your diagram.
Roam Wired Marketplace
Find the people, vans and trips that move your plan forward.
Use the free electrical design tool to turn what you learn into a wiring diagram, calculated cable and fuse sizes, and a connected parts list.
Learn the whole conversion
Good builds come from seeing how every system connects.
The electrical library is now the foundation of a wider conversion knowledge base—organised around real build stages and the decisions people actually make.
Choose equipment with a plan
From your build requirements to a US shortlist
Use the guides to narrow the options, then open our US shop for the exact specifications, current prices and supplier availability.
Battery storage
Compare usable energy, enclosure size and charging limits.
Read the buying guide →Browse Epoch batteries ↗
Charging & monitoring
Match alternator charging and battery monitoring to the system.
Read the buying guide →Browse Victron equipment ↗
Fridges & climate control
Check the space, ventilation and daily power requirement first.
Read the buying guide →Browse refrigeration ↗Some shop listings use affiliate links to a named supplier. We may earn a commission from qualifying purchases. Check compatibility before ordering.
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Go deeper into your build.
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Compare transverse, lengthwise, platform, dinette and pop-top camper van beds by comfort, storage, setup time, access and fit for tall sleepers.
Compare camper van propane, induction and outdoor cooking by safety, energy, ventilation, cost, weather and the electrical system each option needs.
Stop second-guessing your build.
Five minutes from now you could have your complete electrical design — every wire, every fuse, every part.
Create my free electrical designFree · No sign-up to start · Takes about 5 minutes