A good nine-word summary used by UL is, A not-for-profit organization dedicated to public safety.. UL sets standards for different product categories and tests products to make sure they meet the standards. In this way, UL is similar to the CE marking organization. UL may also certify the installation of products in the field. Underwriters, by the way, are insurers. To learn more, see the links on the next page.
Shredder oil is the only lubricant which should be used on your shredder. Shredder oil is of special formulation which leaves no residue on the cutters. Other oils will attract paper dust and in turn clog the cutting head. Do or Do not, there is no try - Yoda.
Find out what type of paper shredder you have to oil it. Cross cut shredders require more frequent oiling versus the straight strip shredders. The more paper and use it gets the more oil it requires. A good rule of thumb is to oil the machine each time you change the bag. Use only shredder oil designed for the specific brand of paper shredder you have.