There are hundreds of testing facilities, but the most famous is Underwriters Laboratories (UL). When safes pass any type of test at the testing facilities, they are awarded a rating and the manufacturer will mount some type of label on the safe itself to indicate that it has passed the test. So look for labels when you are looking at safes. If you are told that a safe has passed this test or that test, and you don't find a label, question the truth of the statement.
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