NEMA SG 5-1995

FOREWORD
Section 1 GENERAL
            Scope
            Referenced Standards
Section 2 METAL-ENCLOSED LOW-VOLTAGE POWER CIRCUIT
            BREAKER SWITCHGEAR
            Exceptions to American National Standard
            C.37.20.1-1993
Section 3 METAL-CLAD AND STATION-TYPE CUBICAL
            SWITCHGEAR
            Exceptions to American National Standard
            C37.20.2-1993
Section 4 METAL-ENCLOSED INTERRUPTER SWITCHGEAR
            Exceptions to American National Standard
            C37.20-3-1987(R1992)
Section 5 CONTROL SWITCHBOARDS
            Exceptions fo American National Standard
            C37.21-1995(R1991)
Section 6 METAL-ENCLOSED BUS AND CALCULATING LOSSES IN
            ISOLATED-PHASE BUS
            Exceptions to American National Standard
            C37.23-1987(R1991)
Section 7 GUIDE FOR EVALUATING THE EFFECTS OF SOLAR
            RADIATION ON OUTDOOR METAL-ENCLOSED SWITCH-
            GEAR
            Exceptions to American National Standard
            C37.24-1986(R1991)
Section 8 CONFORMANCE TESTING OF METAL-ENCLOSED LOW-
            VOLTAGE AC POWER CIRCUIT BREAKER SWITCHGEAR
            ASSEMBLIES
            Exceptions to American National Standard
            C37.51-1989(R1995)
Section 9 CONFORMANCE TESTING OF INDOOR AC HIGH-VOLTAGE
            CIRCUIT BREAKERS APPLIED AS REMOVABLE ELEMENTS
            IN METAL-ENCLOSED SWITCHGEAR ASSEMBLIES
            Exceptions to American National Standard
            C37.54-1987
Section 10 CONFORMANCE TESTING OF METAL-CLAD SWITCHGEAR
            ASSEMBLIES
            Exceptions to American National Standard
            C37.55-1989
Section 11 CONFORMANCE TESTING OF METAL-ENCLOSED
            INTERRUPTER SWITCHGEAR ASSEMBLIES
            Exceptions to American National Standard
            37.57-1990
Section 12 CONFORMANCE TESTING OF INDOOR AC MEDIUM-
            VOLTAGE SWITCHES FOR USE IN METAL-ENCLOSED
            SWITCHGEAR ASSEMBLIES
            Exceptions to American National Standard
            C37.58-1990
Section 13 DEFINITIONS FOR POWER SWITCH-GEAR
            Exceptions to American National Standard
            C37.100-1992

Covers low voltage power circuit breakers (1000 volts ac or less), low voltage power circuit breakers (3200 volts dc or less), and low voltage ac secondary network protectors. Includes the following sections: definitions for power switchgear; test procedures for low voltage ac power circuit protectors; enclosed field discharge circuit breakers for rotating electric machinery; application guide for low voltage ac non integrally fused power circuit breakers (using separately mounted current limiting fuses).