In this episode, we break down the essential checklists every weekend campervan builder needs for wire sizing, fuses, and DC-DC chargers. Skip the guesswork that leads to voltage drops, overheating, and unreliable power—learn the exact steps to measure runs, match loads, and protect circuits from day one. We cover calculating cable sizes against 3% voltage drop tables, placing fuses close to the battery to match wire ratings, and installing DC-DC chargers with proper airflow, oversized cables, and dual fusing. These basics connect directly, so getting them right builds a system that works reliably from the start.

Key takeaways:
- Measure distance and max current first, then select wire from voltage drop tables
- Size every fuse just above expected load but below cable capacity—no shortcuts
- Mount chargers near batteries, replace thin factory cables, and test voltage under load

📩 Have questions or want to share your experience? Reach out at [email protected].
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