I bought the Globe Electric 90735 precisely because they have an insulated contact (IC). At $119.99 for 4 (purchased 2/2016) they are very expensive compared to Globe Electric 90542 4" Non-IC Rated Recessed Lighting Kit, Swivel, Brushed Nickel Finish, Spotlight, Contractor Pack of 10 (10 for $113.99). I've read that the cheaper Globe Electric 90542 has an IC rating when used with LED lights. I emailed Globe Electric customer service and to my surprise the 90542 model has an IC rating when usedβ¦