The description clearly states that they are for outdoor use, but the actual rating is SJT, not SJTW or higher, not Osha, not UL, I just want everyone to know who meet certain safety standards must, not buy. In addition, the end molding is deformed and not straight, so the protrusions on the connected tool protrude, which is unsafe. I'll try to attach a photo. Remember that this article is not worth what it seems at first glance!