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To answer those thorny questions, we consult the ANSI and BHMA standards bodies, both of which provide ratings about the long-term physical capabilities of a lock. But what do those ratings mean, and why doesn't every lock manufacturer use them?
Let's dig deeper.
BHMA director of standards Anthony Gambrall
Understanding ANSI ratings
ANSI, the American National Standards Institute, is a nonprofit organization that dates to 1918(!). It represents hundreds of thousands of companies and manages standards for a vast array of products, ranging from the size of a piece of paper to the way nuclear power plants should be cooled.
This story is part of TechHive's in-depth coverage of the best smart locks.
ANSI ratings for locks place them into one of three categories: 1, 2, or 3. These are seemingly broad buckets where 1 is highest and 3 is lowest. According to ANSI:
ANSI grade 1 locks are top-of-the-line products that (for deadbolts) must withst
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