- 13440 - Indicators, Recorders, And Controllers
- 16070 - Hangers and Supports
- 16140 - Wiring Devices
- 16200 - Electrical Power
- 16400 - Low-Voltage Distribution
- 16490 - Components and Accessories
- 16500 - Lighting
- 16510 - Interior Luminaires
- 16520 - Exterior Luminaires
- 16550 - Special-Purpose Lighting
- 16580 - Lighting Accessories
- 26 05 29 - Hangers and Supports for Electrical Systems
- 26 05 48 - Vibration and Seismic Controls for Electrical Systems
- 26 20 00 - LOW-VOLTAGE ELECTRICAL TRANSMISSION
- 26 27 00 - Low-Voltage Distribution Equipment
- 26 27 26 - Wiring Devices
- 26 30 00 - FACILITY ELECTRICAL POWER GENERATING AND STORING EQUIPMENT
- 26 50 00 - LIGHTING
- 26 51 00 - Interior Lighting
- 26 55 00 - Special Purpose Lighting
- 26 55 23 - Outline Lighting
- 26 55 29 - Underwater Lighting
- 26 55 53 - Security Lighting
- 26 55 59 - Display Lighting
- 26 55 61 - Theatrical Lighting
- 26 55 63 - Detention Lighting
- 26 55 70 - Healthcare Lighting
- 26 56 00 - Exterior Lighting
- 26 56 16 - Parking Lighting
- 26 56 19 - Roadway Lighting
- 26 56 23 - Area Lighting
- 26 56 29 - Site Lighting
- 26 56 33 - Walkway Lighting
- 26 56 36 - Flood Lighting
- 26 56 68 - Exterior Athletic Lighting
- 40 91 00 - Primary Process Measurement Devices
- 40 93 13 - Analog Controllers
- 40 93 23 - Chart Recorders
- 40 94 00 - Digital Process Controllers
- 40 97 00 - Process Control Auxiliary Devices
- 40 97 10 - Process Control Annunciators
- 48 00 00 - ELECTRICAL POWER GENERATION