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ANSI/NEMA Z535 SET
Safety color code - Complete set - ANSI/NEMA Z535.1, ANSI/NEMA Z535.2, ANSI/NEMA Z535.3, ANSI/NEMA Z535.4, ANSI/NEMA Z535.5, ANSI/NEMA Z535.6 and ANSI/NEMA Z535-2011
NEMA: National Electrical Manufacturers Association [nema]