电阻色环计算器 — 公式

## Wire Ampacity

**I_max = Area x Current_Density**

Typical chassis wiring: 0.003 A/cmil. Always check NEC tables for installations.

计算示例

14 AWG copper wire.

  1. Diameter = 64.08 mils
  2. Area = 4106 cmil
  3. Ampacity = 4106 x 0.003 = 12.3 A