Cable

Cable helps you design safe low-voltage electrical systems for boats, RVs, campervans, and off-grid installations.

Enter your electrical loads and Cable calculates the correct wire gauge, checks voltage drop, and recommends fuse sizes — so your wiring meets safety standards and runs efficiently.

FEATURES
• Wire sizing for 12V, 24V, and 48V systems
• Voltage drop calculations with configurable limits
• Fuse and circuit breaker recommendations
• Battery bank sizing
• Charger management
• Component library with real products and affiliate links
• Wiring diagram export (PDF and PNG)
• Bill of materials export
• Metric (mm²) and imperial (AWG) wire standards
• Works offline