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Electrical Design Service

A fully engineered wiring diagram for your specific build.

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Shane Monks O'Byrne
NCC-certified electrical installer

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Custom design • All cable & fuse sizing handled • Safety-focused, logic-checked system

£300 flat fee - complete custom wiring diagram

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Most DIY electrical systems get 80% right

The final 20% is where issues arise

Small mismatches compound into real problems

A fuse slightly wrong.
A cable that can’t handle peak current.

A missing ground bond. 

Incorrect consumer unit wiring.

Individually, these seem small.

Together, they create a real safety risk.​​

Electrical systems fail at the design stage, not the install stage

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A complete electrical design
tailored to your specific build.

Consultation

30-minute strategy call to understand your system, loads, layout, and goals — so the design fits how you actually use your van.

1.

Wiring Diagram

A fully bespoke, build-ready wiring diagram with all cable sizing, fuse sizing, charging coordination, and safety checks completed.

2.

Materials list

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A detailed components and materials list covering every cable, fuse, connector, and device required to build your system with confidence.

3.

4.

Plus, ongoing support​ during your installation

£300 one-time design fee

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Included in Every Design

Every system is engineered — not guessed.

• All cable sizes calculated
• All fuse and breaker ratings correctly specified

• Full system safety check

• Full compliance check (in line with UK standards BS7671, BS EN 1648-2)

• Appliances, inverter, chargers, and batteries correctly sized together

 Proper DC chassis bonding and AC protective earth integration

• RCD protection specified where required

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If you want certainty before you build,
book your design slot below.

Schedule your service

Check out our availability and book the date and time that works for you

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Client Experiences

Van Electrics Made Simple!

Dan Spellman

I was completely lost when it came to wiring my van, but Shane broke everything down in a way that finally made sense. He helped me size my battery bank correctly, choose the right inverter, and gave me a bunch of free resources and diagrams. If you're doing van electrics, do yourself a favor and book a session with Shane!

A Game-Changer for My Van Build!

Emily

Shane’s van consultation was incredibly helpful! He caught details I hadn’t even considered—particularly around electrical regulations. His expertise saved me from making some costly mistakes, and I now feel way more confident about my build. If you're serious about your van conversion, talking to Shane is a must!

Wish I Had Done This Before I Started!

Mark

After my consultation with Shane, I realized I had been overcomplicating my build. He gave me clear, practical advice on everything from materials to wiring, and I finally feel like I’m on the right track. If you're building a van, this consultation will make your life so much easier!

A great van consultation

Austin

I had a great van consultation with Shane. He was super knowledgeable about all facets of my van build and gave some very important tips that helped me. He pointed out things that I never would have thought of and saved me loads of time and hassle. I highly recommend booking a van consultation with Shane before you begin your Van Building journey as you will gain tons of knowledge from one of the best and most knowledgeable people around about all things van life.

Invaluable Advice from a True Expert

James T

I was feeling overwhelmed with my van build, but after an hour with Shane, I had a clear roadmap. He helped me size my solar setup correctly, avoid unnecessary expenses, and even suggested some clever space-saving hacks. His depth of knowledge is insane. I wish I had spoken to him sooner!

Who This Is For

Unsure how to design your system?

Get a fully custom electrical plan built specifically for your van, loads, and layout.

Concerned about safety?

Your diagram is designed with correct cable sizing, fuse protection, grounding, and compliance in mind.

Stuck in research mode?

Skip the hours of guesswork. We turn your requirements into a clear, build-ready plan.

Not sure what components to choose?

Receive a complete, coordinated materials list so everything works together properly.

Afraid of getting it wrong?

Avoid common design errors before you buy or install anything.

Worried about expensive mistakes?

A correct design up front prevents rework, damaged components, and wasted money.

Not an electrician?

You don’t need to be. You’ll get a clear plan you can follow with confidence.

Ready to move forward?

Walk away with a professional design — and the certainty that your system makes sense.

Van Conversion Course

✔️ You stop second-guessing and start building.

✔️ Your electrical system is installed with confidence.

✔️ You create a clear, structured plan—so every step is mapped out.

✔️ You make the most of your time—no wasted weekends, just real progress.

✔️ You stay on budget and avoid expensive mistakes.

✔️ Your van is safe, reliable, and ready for adventure.

What Happens After
The Design Service?

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