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conductor ampacity
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  1. Canadian Electrical Forum
    Curious how people are calculating ampacity of conductors when connected to a 75 degree rated device in a raceway. Lets use #10 T90 stranded copper.
  2. General Electrical Discussion
    I have a question that I'm not really sure I know the correct answer to. If you have dwelling unit calculation that comes out to, say 195 amps, can you still use 4/O aluminum? In 230.42 it states that the conductor shall have an ampacity not less than the maximum load to be served, but in...
  3. Canadian Electrical Forum
    Hi there, I have been just doing my code book work figuring out everything I need to know for my upcoming job. Just wanted to run my thoughts past you since before I pay for a used transformer I want to make sure it works for my situation. I have a shed that was previously fed #14 AWG teck...
  4. Canadian Electrical Forum
    Hey folks, question on CEC 4-004 (17). It states "where the lower ampacity portion of a cable installation consisting of not more than 4 conductors in total does not exceed 10% of the circuit length or 3m, whichever is less, the higher ampacity will be permitted" doesn't look like cct's with...
  5. NEC Code Forum
    Below is a scenario quoted from a Code study book. Selection of the correct size conductor is the point, and the size selected is understandable. So to that degree the scenario makes sense and all is good. But there is one detail not crucial to the scenario but which I am interested to...
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