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electrical - Conduit Fill and Derating for THHN Cables (outdoor run) - Home Improvement Stack Exchange
![I have 1.5 emt conduit with 28 # 12 is this a code violation of CEC 310.15() (2) (a) and what does the CEC stand for, I have 1.5 emt conduit with 28 # 12 is this a code violation of CEC 310.15() (2) (a) and what does the CEC stand for,](https://ww2.justanswer.com/uploads/AssuredElectrical/2012-03-20_101714_emtfill.jpg)
I have 1.5 emt conduit with 28 # 12 is this a code violation of CEC 310.15() (2) (a) and what does the CEC stand for,
derating 2 wire circuit condutors in conduit | Information by Electrical Professionals for Electrical Professionals
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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
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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)