Question

what does chapter 8 of the national electrical code (nec) focus on?
healthcare applications
fiber optic cables
communication systems
outline lighting and electric signs

Explanation:

Chapter 8 of the NEC specifically governs the installation requirements for communication systems, including associated wiring, equipment, and related components. The other options correspond to different NEC chapters: healthcare applications are in Chapter 5, fiber optic cables fall under Chapter 7, and outline lighting/electric signs are covered in Chapter 6.

Answer:

communication systems