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ANSI/BHMA A156.33-2019

Internally Powered Architectural Hardware Devices

This Standard establishes methods for verifying manufacturer’s claims for principle battery performance in different use models for various types of internally powered architectural hardware. This Standard applies to both commercial and residential products.

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Builders Hardware Manufacturers Association [BHMA]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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