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by userbinator 1544 days ago
K&T is not uninsulated.
2 comments

Can confirm. My previous house had some still in service for some general hallway lighting and other light loads. It was not jacketed (like modern non-metallic cable is), but it was definitely insulated.
I misspoke. The K&T I had in my house had gaps in the loom because it failed. You also can’t insulate around it.