- 11 53 00 - Laboratory Equipment
- 11600 - Laboratory Equipment
- 16200 - Electrical Power
- 16240 - Battery Equipment
- 16260 - Static Power Converters
- 16270 - Transformers
- 16340 - Medium-Voltage Switching and Protection As
- 16490 - Components and Accessories
- 16700 - Communications
- 16710 - Communications Circuits
- 16720 - Telephone and Intercommunication Equipment
- 16810 - Sound and Video Circuits
- 16820 - Sound Reinforcement
- 26 12 00 - Medium-Voltage Transformers
- 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 18 00 - Medium-Voltage Circuit Protection Devices
- 26 18 29 - Medium-Voltage Enclosed Bus
- 26 18 33 - Medium-Voltage Enclosed Fuse Cutouts
- 26 18 36 - Medium-Voltage Enclosed Fuses
- 26 18 39 - Medium-Voltage Motor Controllers
- 26 22 00 - Low-Voltage Transformers
- 26 22 13 - Low-Voltage Distribution Transformers
- 26 27 00 - Low-Voltage Distribution Equipment
- 26 29 23 - Variable-Frequency Motor Controllers
- 26 30 00 - FACILITY ELECTRICAL POWER GENERATING AND STORING EQUIPMENT
- 26 33 00 - Battery Equipment
- 26 33 13 - Batteries
- 26 33 16 - Battery Racks
- 26 33 19 - Battery Units
- 26 33 23 - Central Battery Equipment
- 26 33 33 - Static Power Converters
- 26 33 43 - Battery Chargers
- 26 33 53 - Static Uninterruptible Power Supply
- 26 35 36 - Slip Controllers
- 26 35 43 - Static-Frequency Converters
- 27 00 00 - COMMUNICATIONS
- 27 10 00 - STRUCTURED CABLING
- 27 30 00 - VOICE COMMUNICATIONS
- 27 50 00 - DISTRIBUTED COMMUNICATIONS AND MONITORING SYSTEMS
- 27 51 16 - Public Address and Mass Notification Systems
- 33 73 00 - Utility Transformers
- 33 77 26 - Medium-Voltage Utility Fusible Interrupter Switchgear
- 33 82 00 - Communications Distribution
- 48 00 00 - ELECTRICAL POWER GENERATION