26 10 00 Medium-Voltage Electrical Distribution
26 13 00 Medium-Voltage 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