American National Standard Institute (ANSI) ANSI 156.3ItemANSI 156.3 Cycle-testGrade 1-500,000Grade 2-250,000Grade 3-100,000Fire TestPass UL 10 C 3 hours fire testAnti-corrosionSalt Spray Test 200 hours 1. SCOPE 1.1 This standard establishes requirements for exit devices and trim, automatic