米国のANSI、ASTM International、UL、NEMA、NFPAなど規格関連機関の関係を教えてください。 米国の基準・規格には、労働安全衛生局（Occupational Safety and Health Administration: OSHA）と米国規格協会（American National Standards Institute: ANSI）の二つの団体が定めたものがあります ...

An ANSI grade 2 is roughly equivalent to a BHMA security grade A, according to Gambrall, but it’s not apples to apples. Part of the confusion is because commercial builders all have very strict ...