Vocabulary 1. Application: Cabling can be applied to support TVs or phones. 2. Unshielded Twisted-Pair: two wires twisted around each other without extra protection. 3. Shielded Twisted-Pair: two wires twisted together with a shield made of metal around it. 4. Fiber-Optic Cable: a cable with optical fibers coated with plastic. 5. Dark Fiber: an unused optic fiber coated with plastic layers. 6. Coaxial Cable: a transmission line for high-frequency signals. 7. Plenum: a type of electric wire cable laid in plenum spaces for building codes. 8. Riser: Cable that is run at non plenum spaces that is fire retardant. 9. Rip Cord: A parallel cord under the jackets of the cable to remove the jackets. 10. Core: The actual cable which conducts electricity. 11. Attenuation: The loss of signal from getting farther away. 12. Noise: Interference in the signal of the cable. 13. Headroom: Signal exceeds the permitted maximum level. 14. ANSI: American national standards institute oversees standards. 15. NFPA: National fire protection association provides and advocates standards/codes to reduce fire hazards. 16. FCC: Federal Communications Commission regulates interstate and international communications by radio, television, wire, satellite, and cable. 17. NIST: National institute of standards and technology increases innovation and industrial competiveness. 18. OSHA: Occupational safety and health administration sets and enforces standards for workers safe and healthful conditions. 19. Equipment Room: Room where all the equipment is like servers. 20. Topology: is the arrangement of the various elements (links, nodes, etc.) of a computer network.