Cables and Communications

Article 770 and Chapter 8 of the National Electrical Code apply to fiber optic cables and communications systems. Chapter 8 covers communications systems and is not subject to the requirements of Chapters 1 through 7, except where they are referenced in Chapter 8.

1. A device that provides a means for connecting intersystem bonding conductors for communications systems to the grounding electrode system best describes a ______.

Correct Answer: Intersystem bonding termination

2. Unlisted nonconductive outside plant optical fiber cables shall be permitted to enter the building from the outside and shall be permitted to be installed in all but which of the following raceways?

Correct Answer: Electrical nonmetallic tubing

3. All fiber optic cables installed in buildings are required to be listed.

Correct Answer: False

4. Which of the following types of optical fiber cables are not permitted in vertical runs penetrating one or more floors and in vertical runs in a shaft?

Correct Answer: OFC

5. The bonding conductor or grounding electrode conductor for a network-powered broadband communications system shall not be required to be larger than ______ copper.

Correct Answer: 6 AWG

6. If the intersystem bonding termination for a communications system is provided through a set of terminals securely mounted to the meter or service equipment enclosure, the terminals have to be ______ .

Correct Answer: Listed as grounding and bonding equipment

7. Which of the following materials is not permitted to be used as a bonding conductor or a grounding electrode conductor for a television receiving station?

Correct Answer: Zinc

8. An overhead (aerial) span of network-powered broadband communications cable shall not be less than ______ feet above a residential driveway.

Correct Answer: 11 1/2

9. Where practical, a separation of at least 1.8 m (6 ft.) shall be maintained between any network-powered broadband communications cable and lightning conductors.

Correct Answer: True

10. The requirements of 725.144(A) and (B) apply to Class 2 and Class 3 circuits that transmit power and data to a powered device often using a Category 5 or Category 6 communications cable. The 8p8c connectors installed at each end of such cables are typically rated to not exceed how much current?

Correct Answer: 1.3 amperes