Hangar Flying WireSize

Aircraft DC wire sizing

Selects the smallest listed copper AWG satisfying both device-voltage and 35°C temperature-rise ampacity limits.

Circuit inputs

Enter one-way length
Important / Disclaimer: One-way length is doubled internally for the power conductor out and return conductor back. Design aid only. Verify insulation rating, bundling, ambient temperature, terminal ratings, fault-current capability, equipment instructions, and applicable regulatory guidance before installation.