You're right. I didn't write that very well. I knew extension cords were not allowed for this use. I wasn't sure why. I had never seen it in the mfgr's instructions. So, I was trying to find out why for myself in the codes and was having trouble. So I posted my question and Jerry anwered. I was trying to guess why Jerry posted his reply the way he did (I believe he was saying that in that article, 400.7 -uses permitted, none applied - therefore not allowed). So that's why I replied to Matt that Jerry was trying to "learn" me something about reading the code. Anyway, I now know that maufacturers don't allow it because several of you have stated it. I also know that I need to learn how to decipher the codes better. I don't want to be a code citing guru. But I would like to be comfortable finding the proper code as backup and reassurance. Guess I should look into the ICC study giudes, huh.
Thanks for your help

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Jim, in Calvert County, MD