In one- and two-family dwellings, the primary protector bonding conductor or grounding electrode conductor for communications systems shall be as short as practicable, not to exceed _____ ft in length.
a) 5
b) 8
c) 10
d) 20
See answer and applicable Code reference
The correct answer is: d) 20
Article 800 covers communications circuits and equipment. Part IV of this Article focuses on the topic of grounding methods. As noted in the second sentence of Sec. 800.100(A)(4), "In one- and two-family dwellings, the primary protector bonding conductor or grounding electrode conductor shall be as short as practicable, not to exceed 20 ft in length."