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NEMA and IEC Controls – a Brief Comparison

NEMA and IEC Controls – a Brief Comparison

When I was "young," the most recognized standards organization in the United States for electrical equipment was the National Electrical Manufacturers Association, or NEMA.

NEMA was created in 1936 by the merger of the Electric Power Club and the Associated Manufacturers of Electrical Supplies. The organization’s purpose was to bring consistency to the manufacture of electrical equipment.

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