Code Quiz

When grounding network interface units containing protectors, network interface units with metallic enclosures, primary protectors, and the metallic members of the network-powered broadband communications cables that are intended to be grounded, which of the following requirements apply to the grounding conductor?

    1. The grounding conductor shall be insulated. The grounding conductor shall be copper or other corrosion-resistant conductive material, stranded or solid.
    2. The grounding conductor shall not be smaller than 14 AWG copper, and have a current-carrying capacity approximately equal to that of the grounded metallic members and protected conductors of the network-powered broadband communications cable. In addition, the grounding conductor shall not be required to exceed 6 AWG.
    3. The grounding conductor shall be as short a practicable, be run in a straight line, and be protected where exposed to physical damage.
    4. All of the above requirements apply.

Answer: D

Article 830 focuses on network-powered broadband communications systems. Part IV deals with the grounding methods used with these systems. Section 830.100(A) outlines the grounding conductor requirements noted above. All requirements noted in answers A, B, and C apply to these types of systems.

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 necexpert@aol.com.

Find More Code Quizzes »


Want to use this article? Click here for options!





Acceptable Use Policy
blog comments powered by Disqus

what's wrong here?

What's Wrong Here?

May 10, 2012 12:44 PM

What's Wrong Here?

Apr 19, 2012 10:09 AM

What's Wrong Here?

Apr 5, 2012 2:27 PM

View all What's Wrong Here?

product spotlight

EV charger tester

May 25, 2012 8:26 AM

EV charger tester

The Electrician is portable tester that verifies critical power and safety requirements of electric vehicle (EV) chargers...

View all 2012 Product Spotlights

Free Product Info

Our Product Information site is the ultimate online resource for products and services offered by Advertisers featured in our Magazine. This service is provided as a quick and easy way to request Product Information online. Get FREE product information now.

Recent Comments

More...


Social Media

More ways to stay informed...

follow us on twitter

Find us on Facebook

EC&M Whitepaper

Arc Mitigation –A Three-Step Approach

Did you know that an arc-flash incident hospitalizes 5-7 workers per day in North America, severely impacting processes and profitability with lost production? Download This Sponsored Whitepaper Today!

What's New in Residential Cabling?
Date: Wednesday, May 30, 2012
Time: 2:00pm ET


In this The Home Depot sponsored Low Voltage Webinar, Ron Kipper RCDD / NTS will discuss the need for compression style coaxial connectors and the migration of the entire CATV, Satellite and Audio / Video industry to them. Register Today!

Grounding Versus Bonding
Now Available On-Demand


In this 60-minute FREE webinar, Mike Holt of Mike Holt Enterprises, Inc. will explain the purpose of grounding and bonding as related to the most current requirements set forth in the 2011 NEC. Register to View On-Demand!

resources

product info icon

product info

tradeshow icon

tradeshow

research icon

research

industry links

industry links

rss icon

rss

Browse Back Issues

Browse Back Issues