NEMA and IEC schematic diagram comparisons
https://www.eaton.com/content/dam/eaton/products/electrical-circuit-protection/medium-voltage-vacuum-circuit-breakers/comparison-nema-iec-schematic-diagrams-mz081001en.pdf
IEC schematic diagrams General With the increasing emphasis on globalization, many industries are now looking to all parts of the world to produce, market, and sell their products. Electrical manufacturers are no exception. Since the electrical standards adopted by various nations may vary, the markings and symbols used
DA: 42 PA: 18 MOZ Rank: 73