23 00 00 - Heating, Ventilating, & Air Conditioning
23 01 00 - Operation and Maintenance of HVAC Systems
23 01 20 - Operation and Maintenance of HVAC Piping and Pumps
23 01 30 - Operation and Maintenance of HVAC Air Distribution
23 01 50 - Operation and Maintenance of Central Heating Equipment
23 01 60 - Operation and Maintenance of Central Cooling Equipment
23 01 70 - Operation and Maintenance of Central HVAC Equipment
23 01 80 - Operation and Maintenance of Decentralized HVAC Equipment
23 06 00 - Schedules for HVAC
23 06 20 - Schedules for HVAC Piping and Pumps
23 06 30 - Schedules for HVAC Air Distribution
23 06 30.16 - Air Terminal Unit Schedule
23 06 30.19 - Air Outlet and Inlet Schedule
23 06 50 - Schedules for Central Heating Equipment
23 06 50.13 - Heating Boiler Schedule
23 06 70 - Schedules for Central HVAC Equipment
23 06 70.13 - Indoor, Central-Station Air-Handling Unit Schedule
23 06 70.16 - Packaged Outdoor HVAC Equipment Schedule
23 06 80 - Schedules for Decentralized HVAC Equipment
23 06 80.13 - Decentralized Unitary HVAC Equipment Schedule
23 06 80.16 - Convection Heating and Cooling Unit Schedule
23 20 00 - HVAC Piping and Pumps
23 20 00.00.01 - HVAC Piping and Pumps
23 30 00 - HVAC Air Distribution
23 30 00.00.01 - HVAC Air Distribution
25 00 00 - Integrated Automation
25 05 00 - Common Work Results for Integrated Automation
25 05 26 - Grounding and Bonding for Integrated Automation
25 36 00 - Integrated Automation Instrumentation and Terminal Devices for Electrical Systems
25 36 16 - Integrated Automation KW Transducers
26 00 00 - Electrical
26 01 00 - Operation and Maintenance of Electrical Systems
26 01 10 - Operation and Maintenance of Medium-Voltage Electrical Distribution
26 01 20 - Operation and Maintenance of Low-Voltage Electrical Distribution
26 01 30 - Operation and Maintenance of Facility Electrical Power Generating and Storing Equipment
26 06 00 - Schedules for Electrical
26 06 10 - Schedules for Medium-Voltage Electrical Distribution
26 06 20 - Schedules for Low-Voltage Electrical Distribution
26 06 20.26 - Wiring Device Schedule
26 06 30 - Schedules for Facility Electrical Power Generating and Storing Equipment
26 10 00 - Medium-Voltage Electrical Distribution
26 10 00.00.01 - Medium-Voltage Electrical Distribution
26 18 00 - Medium-Voltage Circuit Protection Devices
26 18 13 - Medium-Voltage Cutouts
26 20 00 - Low-Voltage Electrical Distribution
26 20 00.00.01 - Low-Voltage Electrical Distribution
26 21 00 - Low-Voltage Overhead Electrical Power Systems
26 21 00.00.01 - Low-Voltage Overhead Electrical Power Systems
26 26 00 - Power Distribution Units
26 26 00.00.01 - Power Distribution Units
26 32 00 - Packaged Generator Assemblies
26 32 13 - Engine Generators
26 32 13.13 - Diesel-Engine-Driven Generator Sets
26 32 13.16 - Gas-Engine-Driven Generator Sets
26 32 16 - Steam-Turbine Generators
26 32 19 - Hydro-Turbine Generators
26 32 33 - Rotary Uninterruptible Power Units
26 33 00 - Battery Equipment
26 33 23 - Central Battery Equipment
26 33 33 - Static Power Converters
26 33 46 - Battery Monitoring
26 33 53 - Static Uninterruptible Power Supply
26 35 00 - Power Filters and Conditioners
26 35 33 - Power Factor Correction Equipment
26 43 00 - Transient Voltage Suppression
26 43 13 - Transient-Voltage Suppression for Low-Voltage Electrical Power Circuits
27 00 00 - Communications
27 05 00 - Common Work Results for Communications
27 05 26 - Grounding and Bonding for Communications Systems
33 00 00 - Utilities
33 71 00 - Electrical Utility Transmission and Distribution
33 71 26.13 - Capacitor Banks
33 71 36 - Extra-High-Voltage Wiring
33 71 36.13 - Overhead Extra-High-Voltage Wiring
33 71 39 - High-Voltage Wiring
33 71 39.13 - Overhead High-Voltage Wiring
33 71 49 - Medium-Voltage Wiring
33 71 49.13 - Overhead Medium-Voltage Wiring
33 81 00 - Communications Structures
33 81 23 - Aerial Cable Installation Hardware
34 00 00 - Transportation
34 21 00 - Traction Power Distribution
34 21 16 - Traction Power Substations
34 21 16.13 - AC Traction Power Substations
34 21 16.16 - DC Traction Power Substations
40 00 00 - Process Integration
40 95 00 - Process Control Hardware
40 95 73 - Process Control Wiring
41 00 00 - Material Processing & Handling Equipment
41 65 00 - Mobile Support Equipment
41 65 16 - Mobile Generators
42 00 00 - Process Heating, Cooling, & Drying Equipment
42 14 00 - Industrial Furnaces
42 14 16 - Atmosphere Generators
48 00 00 - Electrical Power Generation
48 01 00 - Operation and Maintenance for Electrical Power Generation
48 01 10 - Operation and Maintenance of Electrical Power Generation Equipment
48 01 70 - Operation and Maintenance of Electrical Power Generation Testing
48 05 00 - Common Work Results for Electrical Power Generation
48 05 00.00.01 - Common Work Results for Electrical Power Generation
48 06 00 - Schedules for Electrical Power Generation
48 06 10 - Schedules for Electrical Power Generation Equipment
48 06 70 - Schedules for Electrical Power Generation Testing
48 09 00 - Instrumentation and Control for Electrical Power Generation
48 09 00.00.01 - Instrumentation and Control for Electrical Power Generation
48 10 00 - Electrical Power Generation Equipment
48 10 00.00.01 - Electrical Power Generation Equipment
48 11 00 - Fossil Fuel Plant Electrical Power Generation Equipment
48 11 26 - Fossil Fuel Electrical Power Plant Generators
48 12 00 - Nuclear Fuel Plant Electrical Power Generation Equipment
48 12 23 - Nuclear Fuel Electrical Power Plant Steam Generators
48 12 33 - Nuclear Fuel Electrical Power Generators
48 13 00 - Hydroelectric Plant Electrical Power Generation Equipment
48 13 16 - Hydroelectric Power Plant Electrical Power Generators
48 16 00 - Geothermal Energy Electrical Power Generation Equipment
48 16 23 - Geothermal Energy Electrical Power Generators
48 17 00 - Electrochemical Energy Electrical Power Generation Equipment
48 17 13 - Electrical Power Generation Batteries
48 18 00 - Fuel Cell Electrical Power Generation Equipment
48 18 13 - Electrical Power Generation Fuel Cells
48 19 00 - Electrical Power Control Equipment
48 19 13 - Electrical Power Generation Battery Charging Equipment
48 19 23 - Electrical Power Generation Transformers
48 19 26 - Electrical Power Generation Voltage Regulators