Cable TV installers establish and maintain cable lines for customers. In this role, you install cable systems in client homes or offices, testing them to ensure they work properly. You may also make modifications to current cable wiring to enable them to with updated technology. While part of your work takes place inside a home or building, you may also be responsible for hanging cables from towers and poles. Most of your repair work takes place when these pole connections suffer damage from weather, animals, or other sources. If the client experiences any problems, you troubleshoot the issue and make repairs when necessary. Cable TV installers most commonly work in residential homes, apartments, and commercial buildings with cable connections.