33 77 30
Medium-Voltage Disconnect Switch
33 77 26
Medium-Voltage Utility Fusible Interrupter Switchgear
33 77 23
Vacuum Medium-Voltage Circuit Breaker
33 77 19
Gas Medium-Voltage Circuit Breaker
33 77 16
Oil Medium-Voltage Circuit Breaker
33 77 13
Air Medium-Voltage Circuit Breaker
33 77 00
Medium-Voltage Utility Switchgear and Protection Devices
33 75 40
High-Voltage Rod Gap
33 75 39
High-Voltage Surge Arresters
33 75 36
High-Voltage Utility Fuses
33 75 30
High-Voltage Disconnect Switch
33 75 23
Vacuum High-Voltage Circuit Breaker
33 75 19
Gas High-Voltage Circuit Breaker
33 75 16
Oil High-Voltage Circuit Breaker
33 75 13
Air High-Voltage Circuit Breaker
33 75 00
High-Voltage Switchgear and Protection Devices
33 74 43.16
EHV Current Limiting Reactors
33 74 43.13
EHV Shunt Reactor Banks
33 74 43
EVH Shunt Reactors
33 74 40
EHV Rod Gap