26.13.00 Medium-Voltage Switchgear
26.13.26 Medium-Voltage Metal-Clad Switchgear
26.13.13 Medium-Voltage Circuit Breaker Switchgear 26.13.16 Medium-Voltage Fusible Interrupter Switchgear 26.13.19 Medium-Voltage Vacuum Interrupter Switchgear 26.13.23 Medium-Voltage Metal-Enclosed Switchgear 26.13.26 Medium-Voltage Metal-Clad Switchgear 26.13.29 Medium-Voltage Compartmentalized Switchgear