1. National Electrical Code
  2. Quizzes

Code Quiz

Oct. 20, 2011
What are the requirements you must follow when grounding information technology equipment, where signal reference structures are installed?

What are the requirements you must follow when grounding information technology equipment, where signal reference structures are installed?

  1. The signal reference structure(s) shall be bonded to an external ground ring with a maximum resistance-to-ground reading of 2 ohms.
  2. The signal reference structure(s) shall be bonded to any of the electrodes in the area of the information technology equipment (i.e., a structural metal member or metal water pipe system).
  3. The signal reference structure(s) shall be bonded to the equipment grounding conductor provided for the information technology equipment.
  4. There are no requirements for grounding or bonding in this situation.

Answer: C

As noted in 645.15, the signal reference structure(s) shall be bonded to the equipment grounding conductor provided for the information technology equipment.

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].

About the Author

Steven Owen

Voice your opinion!

To join the conversation, and become an exclusive member of EC&M, create an account today!

Continue Reading

Sponsored Recommendations

How to Calculate Labor Costs

Most important to accurately estimating labor costs is knowing the approximate hours required for project completion. Learn how to calculate electrical labor cost.

8 Types of Electrical Conduit and Their Uses

Electrical conduit is a tube or raceway used to house and protect electrical wires within a building or structure. From data centers to underground subways to ports and bridges...

Considerations for Direct Burial Conduit

Installation type plays a key role in the type of conduit selected for electrical systems in industrial construction projects. Above ground, below ground, direct buried, encased...

Champion Strut Catalog

Champion Fiberglass is the most advanced manufacturing facility of fiberglass conduit, fiberglass bridge drain and fiberglass strut systems in the world. Its well-trained and ...