Electrical Construction & Maintenance (EC&M) Magazine
Home > Grounding > More in Grounding

More in Grounding

  • Feb. 1, 2008
    article
    Electrical Construction and Maintenance

    The Art and Science of Color Coding 1

    On any given project, choosing the appropriate colors for conductors during installation facilitates maintenance and enhances troubleshooting efforts...More
  • Nov. 1, 2007
    article
    Electrical Construction and Maintenance

    The Pros and Cons of IG Wiring

    Confusion continues to surround the use, performance, and NEC requirements of isolated ground (IG) wiring. Can it be used anywhere, or is it restricted...More
  • Oct. 1, 2007
    article
    Electrical Construction and Maintenance

    Observations on Supplemental Grounding and Bonding: Part 4

    In Part 3 of this article (September 2007), we described how single-point grounding (SPG) is not nearly as straightforward as multipoint grounding systems....More
  • Sep. 1, 2007
    article
    Electrical Construction and Maintenance

    Observations on Supplemental Grounding and Bonding: Part 3

    In Part 2 of this article (August 2007), we described multipoint (or common-type) supplemental grounding and bonding between the T(M)GB [notation used...More
  • Aug. 1, 2007
    article
    Electrical Construction and Maintenance

    Observations on Supplemental Grounding and Bonding: Part 2

    In Part 1 of this article (July 2007), we described (per the Emerald Book and ANSI J-STD-07-A) supplemental grounding and bonding from the grounding electrode...More
  • Jul. 1, 2007
    article
    Electrical Construction and Maintenance

    Observations on Supplemental Grounding and Bonding Systems: Part 1

    Site power and grounding audits/evaluations of commercial and industrial locations routinely identify electrical power system grounding and bonding problems....More
  • Apr. 1, 2007
    article
    Electrical Construction and Maintenance

    Stumped by the Code?

    Q. Is it legal to make a mechanical transition from electrical metallic tubing (EMT) to flexible metal conduit with a fitting that joins these two raceways instead of installing a box?...More
  • Apr. 1, 2007
    article
    Electrical Construction and Maintenance

    From the Ground Up

    Although it's one of the most important aspects of electrical design and installation, grounding continues to be one of the least understood and most...More
  • Mar. 1, 2007
    article
    Electrical Construction and Maintenance

    Powering CNC Equipment Article Prompts Consultant's Comments

    The October 2006 PQ Corner article, written by Thomas S. Key of EPRI, on the topic of Avoiding the Pitfalls of Powering CNC Equipment was very good; however,...More
  • Feb. 1, 2007
    article
    Electrical Construction and Maintenance

    Article 810: Radio and Television Equipment

    Article 810 provides installation requirements for transmitter and receiver equipment as well as the associated wiring and cabling (Fig. 1). Article 810...More
  • Nov. 1, 2006
    article
    Electrical Construction and Maintenance

    The Shocking Truth About Grounding Electrode Conductors 3

    Have you done any service work lately, and noticed a spark as you connect or reconnect the grounding electrode conductor to the ground rod of what appeared...More
  • Oct. 1, 2006
    article
    Electrical Construction and Maintenance

    Grounding Mobile Construction Equipment

    As the nation's power demands have increased over the past few decades, the nature of the hazards posed by overhead transmission and distribution lines...More
  • Oct. 1, 2006
    article
    Electrical Construction and Maintenance

    Coordination Guidelines for Susceptible Electronic Loads — Part 2

    As noted in Part 1 of this article, starting on page 22 of the September 2006 issue, there are many factors to consider before deciding how to provide...More
  • Oct. 1, 2006
    article
    Electrical Construction and Maintenance

    Avoiding the Pitfalls of Powering CNC Equipment 1

    As the use of CNC machines becomes more prevalent, minimizing production downtime, product loss, and expensive repair bills becomes increasingly important...More
  • Sep. 1, 2006
    article
    Electrical Construction and Maintenance

    Working with Metal-Clad Cable and EMT

    When used with appropriate conductors, metal-clad (MC) cable and electrical metallic tubing (EMT) have nearly identical uses but quite different working...More
  • Dec. 1, 2005
    article
    Electrical Construction and Maintenance

    Grounding vs Bonding — Part 12 of 12

    How do you make communications systems safe?...More
  • Dec. 1, 2005
    article
    Electrical Construction and Maintenance

    Beyond the 2005 NEC Changes: Art. 250 — Grounding and Bonding

    The grounding and bonding requirements of the NEC might just be the least understood and most incorrectly interpreted section of the Code. In fact, some...More
  • Nov. 1, 2005
    article
    Electrical Construction and Maintenance

    Grounding vs Bonding — Part 11 of 12

    Don’t let the bonding and grounding requirements of pools make you feel like you’re in over your head...More
  • Nov. 1, 2005
    article
    Electrical Construction and Maintenance

    Avoiding the Pitfalls of Powering CNC Equipment

    As the use of computer numerical control (CNC) machines becomes more prevalent in the metal-shaping industry, minimizing production downtime, product...More
  • Nov. 1, 2005
    article
    Electrical Construction and Maintenance

    Code Quandaries

    Q. A new exception was added to 250.50 in the 2005 NEC, which states that concrete-encased electrodes are not required for existing buildings or structures where the conductive steel reinforcing bars aren't accessible without disturbing the concrete. Why was this exception added to the 2005 NEC, and what does this all mean?...More
  • Oct. 1, 2005
    article
    Electrical Construction and Maintenance

    Grounding vs Bonding — Part 10 of 12

    Does the NEC require you to ground piping systems and structural steel? Be careful how you answer this question....More
  • Sep. 1, 2005
    article
    Electrical Construction and Maintenance

    Resolving Grounding Issues With Switch-Mode Power Supplies

    Today, 80% of all input/output (I/O) devices in automation applications are supplied with 24VDC power. The second most popular voltage is 120VAC, which...More
  • Sep. 1, 2005
    article
    Electrical Construction and Maintenance

    Grounding vs Bonding — Part 9 of 12

    Do you know when an isolated ground is appropriate and how to properly install it?...More
  • Sep. 1, 2005
    article
    Electrical Construction and Maintenance

    Code Quandaries

    All questions and answers are based on the 2005 NEC. Q. Where are hospital-grade receptacles required? A. Receptacles for inpatient sleeping beds or procedure...More
  • Aug. 1, 2005
    article
    Electrical Construction and Maintenance

    Grounding vs Bonding — Part 8 of 12

    Don’t use the equipment grounding conductor for grounding...More

White Papers
LED Industrial Lighting: Common Myths and Facts
LEDs have unique and compelling characteristics that make them ideal for industrial lighting applications. But there are a variety of misconceptions about LEDs, how well they work, how long they last, and more. Digital Lumens developed this whitepaper to dish up the facts around LEDs and address some common misunderstandings....More
Understand Arc Flash Safety for Motor Control Centers
An arc flash is associated with the explosive release of energy caused by an electrical arc, due to either a phase-to-ground or a phase-to-phase fault. This kind of fault can result from many factors – a dropped tool, accidental contact with electrical systems, buildup of conductive dust, corrosion or improper work conditions.....More
VIEW MORE WHITE PAPERS
EC&M Learning Center
2011 Electrician Exam Preparation Book & Journeyman Simulated Exam
Printed in full color, the 2011Exam Prep book covers Theory, Code, and Calculations in great detail. Clear colorful graphics...
2011 Understanding NEC Requirement for Solar Photovoltaic Systems
Solar power is new to most in the electrical industry and this expanding and exciting industry has created many NEC...
Photovoltaics for Commerical and Utilities Power Generation
This book provides an in-depth review of the solar industry development, and present-day state of the art, emphasizing...
BROWSE ALL TITLES
Webinars
ON DEMAND: All You Ever Wanted to Know About GFCIs & AFCIs

Abstract:  In this webinar, Mike will not only explain the current NEC requirements for GFCIs and AFCIs, but he'll explain how they operate, what causes their premature failure, and when they won't provide the safety protection you might have thought they would.

 


Sponsored by:

 

 
ON DEMAND: Workplace Electrical Safety: Prevention before Protection


Abstract: This webinar will teach attendees the difference between risk and hazard, and how the choice of system grounding has a direct impact on reliability and safety.

 

 

Sponsored by:

 

 

MORE WEBINARS
EC&M TV
Apr. 15, 2013
video

The Westex Difference

Learn what sets Westex apart from other flame resistant fabric manufacturers....More

 

BROWSE ALL VIDEOS

Newsletter Signup

Connect With Us
Ecmweb.com
Related EC&M Sites
Copyright © 2013 Penton Media, Inc