26 00 00 Electrical 27 00 00 Communications 27 05 00 Common Work Results for Communications 27 20 00 Data Communications 27 24 00 Data Communications Peripheral Data Equipment 27 26 00 Data Communications Programming and Integration Services 27 30 00 Voice Communications 27 31 00 Voice Communications Switching and Routing Equipment 27 32 00 Voice Communications Terminal Equipment 27 33 00 Voice Communications Messaging 27 40 00 Audio-Video Communications

23 34 00 HVAC Fans 26 24 00 Switchboards and Panelboards 26 26 00 Power Distribution Units 26 27 00 Low-Voltage Distribution Equipment 26 28 00 Low-Voltage Circuit Protective Devices 27 16 00 Communications Connecting Cords, Devices and Adapters 27 32 00 Voice Communications Terminal Equipment 32 10 00 Bases, Ballasts and Paving 50 59 00 Construction Material Delivery/Hauling 50 61 00 Construction Material Supplier 50 63 00 Equipment/Tool Sales

01 89 26 Site Electrical Utilities Performance Requirements 26 00 00 Electrical 27 00 00 Communications 27 05 00 Common Work Results for Communications 27 20 00 Data Communications 27 24 00 Data Communications Peripheral Data Equipment 27 26 00 Data Communications Programming and Integration Services 27 30 00 Voice Communications 27 31 00 Voice Communications Switching and Routing Equipment 27 32 00 Voice Communications Terminal Equipment 27 33 00 Voice Communications Messaging 27 40 00 Audio-Video Communications 28 00 00 Electronic Safety and Security 28 05 00 Common Work Results for Electronic Safety and Security 28 31 00 Fire Detection and Alarm 33 70 00 Electrical Utilities 33 71 00 Electrical Utility Transmission and Distribution

21 09 00 Instrumentation and Control for Fire-Suppression Systems 25 00 00 Integrated Automation 27 00 00 Communications 27 05 00 Common Work Results for Communications 27 20 00 Data Communications 27 24 00 Data Communications Peripheral Data Equipment 27 26 00 Data Communications Programming and Integration Services 27 30 00 Voice Communications 27 31 00 Voice Communications Switching and Routing Equipment 27 32 00 Voice Communications Terminal Equipment 27 33 00 Voice Communications Messaging 27 40 00 Audio-Video Communications 28 00 00 Electronic Safety and Security 28 05 00 Common Work Results for Electronic Safety and Security 28 31 00 Fire Detection and Alarm

21 09 00 Instrumentation and Control for Fire-Suppression Systems 25 00 00 Integrated Automation 27 00 00 Communications 27 05 00 Common Work Results for Communications 27 20 00 Data Communications 27 24 00 Data Communications Peripheral Data Equipment 27 26 00 Data Communications Programming and Integration Services 27 30 00 Voice Communications 27 31 00 Voice Communications Switching and Routing Equipment 27 32 00 Voice Communications Terminal Equipment 27 33 00 Voice Communications Messaging 27 40 00 Audio-Video Communications 28 00 00 Electronic Safety and Security 28 05 00 Common Work Results for Electronic Safety and Security 28 31 00 Fire Detection and Alarm

10 44 00 Fire Protection Specialties 11 15 00 Security, Detention and Banking Equipment 11 16 00 Vault Equipment 11 17 00 Teller and Service Equipment 11 18 00 Security Equipment 13 27 53 Security Vaults 21 00 00 Fire Suppression 21 09 00 Instrumentation and Control for Fire-Suppression Systems 27 00 00 Communications 27 05 00 Common Work Results for Communications 27 20 00 Data Communications 27 24 00 Data Communications Peripheral Data Equipment 27 26 00 Data Communications Programming and Integration Services 27 30 00 Voice Communications 27 31 00 Voice Communications Switching and Routing Equipment 27 32 00 Voice Communications Terminal Equipment 27 33 00 Voice Communications Messaging 27 40 00 Audio-Video Communications

26 00 00 Electrical 27 00 00 Communications 27 05 00 Common Work Results for Communications 27 20 00 Data Communications 27 24 00 Data Communications Peripheral Data Equipment 27 26 00 Data Communications Programming and Integration Services 27 30 00 Voice Communications 27 31 00 Voice Communications Switching and Routing Equipment 27 32 00 Voice Communications Terminal Equipment 27 33 00 Voice Communications Messaging 27 40 00 Audio-Video Communications