27 05 46
Utility Poles for Communications Systems
27 05 44
Sleeves and Sleeve Seals for Communications Pathways and Cabling
27 05 43
Underground Ducts and Raceways for Communications Systems
27 05 39
Surface Raceways for Communications Systems
27 05 36
Cable Trays for Communications Systems
27 05 33
Conduits and Backboxes for Communications Systems
27 05 29
Hangers and Supports for Communications Systems
27 05 28
Pathways for Communications Systems
27 05 26
Grounding and Bonding for Communications Systems
27 05 13.53
Satellite Services
27 05 13.43
Cable Services
27 05 13.33
DSL Services
27 05 13.23
T1 Services
27 05 13.13
Dialtone Services
27 05 13
Communications Services
27 05 11
Cameras for Audio-Visual Systems
27 05 05
Selective Demolition for Communications
27 05 00
Common Work Results for Communications
27 01 50
Operation and Maintenance of Distributed Communications and Monitoring
27 01 40
Operation and Maintenance of Audio-Video Communications