Wire Size Calculator

Finds the smallest conductor that still carries the load after the ambient, raceway-count and termination corrections are applied.
Recommended size
6 AWG/kcmil
Final ampacity
65 A
Breaker
60 A
Meets the load after corrections

Why this size

  1. 基准载流量（75°C）
    65 A
    Ref: NEC 310.16
  2. 环境温度 30°C 修正
    1
    Ref: NEC 310.15(B)(1)
  3. 同管 3 根修正
    1
    Ref: NEC 310.15(C)(1)
  4. 修正后载流量
    65 x 1 x 1
    65 A
  5. 端子温度限制（75°C）
    65 A
    Ref: NEC 110.14(C)
  6. 最终允许载流量（取两者较小）
    65 A
  7. 所需电流
    60 A
    Ref: NEC 210.20(A)

Reference table values are pending review against the current NEC edition. Educational use only.