33.82.00 Communications Transmission and Distribution
33.82.46 Cable Pressurization Equipment
33.82.13 Copper Communications Transmission and Distribution Cabling 33.82.13.13 Copper Splicing and Terminations 33.82.23 Optical Fiber Communications Transmission and Distribution Cabling 33.82.23.13 Optical Fiber Splicing and Terminations 33.82.33 Coaxial Communications Transmission and Distribution Cabling 33.82.33.13 Coaxial Splicing and Terminations 33.82.43 Grounding and Bonding for Communications Transmission and Distribution 33.82.46 Cable Pressurization Equipment 33.82.53 Cleaning, Lubrication, and Restoration Chemicals 33.82.63 Shelter Equipment 33.82.63.13 Transceivers 33.82.63.16 Control Panels 33.82.63.23 Power-Line Carriers 33.82.63.43 Backup Batteries