![electrical - Do I need to derate wire ampacity for two or more sets of wires in the same raceway for subpanel wiring? - Home Improvement Stack Exchange electrical - Do I need to derate wire ampacity for two or more sets of wires in the same raceway for subpanel wiring? - Home Improvement Stack Exchange](https://i.stack.imgur.com/jQzBG.png)
electrical - Do I need to derate wire ampacity for two or more sets of wires in the same raceway for subpanel wiring? - Home Improvement Stack Exchange
![De-rating Required for Cables for Frequencies other than 60 Hz According to NEC - Electric power & transmission & distribution - Eng-Tips De-rating Required for Cables for Frequencies other than 60 Hz According to NEC - Electric power & transmission & distribution - Eng-Tips](https://res.cloudinary.com/engineering-com/image/upload/v1585645214/tips/Cable_Ampacity_Derating_at_Frequency_Up_to_400Hz_o1jaac.jpg)
De-rating Required for Cables for Frequencies other than 60 Hz According to NEC - Electric power & transmission & distribution - Eng-Tips
![electrical - Do I need to derate wire ampacity for two or more sets of wires in the same raceway for subpanel wiring? - Home Improvement Stack Exchange electrical - Do I need to derate wire ampacity for two or more sets of wires in the same raceway for subpanel wiring? - Home Improvement Stack Exchange](https://i.stack.imgur.com/u1T9p.png)