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ANSI O1.1-3-2014 (R2022)
Safety Requirements for CNC Machining Centers for the Woodworking Industry
This standard covers the safety requirements for the design, installation, care, and use of CNC Machining Centers, used in industrial and commercial applications, having a total connected power of 5 hp (3.7 KW) or greater, or having a 3-phase wiring.
Wood Machinery Manufacturers of America [wmma]