Lifting 75 pounds (28' extension ladder) Working at different heights from a ladder, up to 28 feet Working in various environments, including heights and confined spaces Frequent kneeling or bending Ability to hear (aid permitted) Ability to write messages Ability to speak clearly Ability to travel Ability to see. Penn Line Energy T&D, Inc. is seeking candidates for a cable installer, who installs, maintains, and repairs cable systems for residential and commercial clients, working with coaxial, fiber optic, and Ethernet cables to provide internet, television, and telephone services.