![Can someone explain this? It it saying I cant have more than 3 insulated conductors in conduit? : r/electricians Can someone explain this? It it saying I cant have more than 3 insulated conductors in conduit? : r/electricians](https://preview.redd.it/gubkch3eeis21.jpg?width=640&crop=smart&auto=webp&s=c4890c14afdcb23ac77566043fc83d38ffbe02cd)
Can someone explain this? It it saying I cant have more than 3 insulated conductors in conduit? : r/electricians
![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/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
![electrical - Conduit Fill and Derating for THHN Cables (outdoor run) - Home Improvement Stack Exchange electrical - Conduit Fill and Derating for THHN Cables (outdoor run) - Home Improvement Stack Exchange](https://i.stack.imgur.com/hzDVR.png)
electrical - Conduit Fill and Derating for THHN Cables (outdoor run) - 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 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)
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
![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)