Not All Ground Rods Are Created Equal
Sep 1, 2000, By John Paschal
Knowing what types of ground rods are available as well as understanding how they work and interact with different soil conditions help you prevent grounding problems....
Hit a Grounding Home Run
Jul 1, 2000, By Mark Hartfiel and Mark Lamendola
Find out how to save time and money with grounding upgrades and fatten your bottom line with new commercial and residential opportunities....
Hard Facts About Bonding to Steel
Jun 1, 2000, By Keith Switzer
Do you know the special grounding requirements involved in bonding to steel?...
Who Cares About 25 Ohms or Less?
Apr 1, 2000, By Ken Michaels, Power Quality Consultant
Find out why the National Electrical Code "25 ohms or less" rule may have less to do with power quality than you think....
Grounding On-Site Power Systems
Feb 1, 2000, By Rene Castenschiold, P.E. and Gordon S. Johnson, P.E.
If on-site power is your sole source of power and you follow the NEC Art. 250, then grounding is straight forward. But, if it serves an alternate source, then grounding becomes much more complex....
Building a Powerful Grounding Foundation
Jan 1, 2000, By John Paschal, P.E., Editorial Consultant
At first glance, the deceptively simple and passive elements of a grounding system don't seem to do very much. But beyond this simple exterior lies the power of a sleeping giant....
Why Test Grounding?
Jan 1, 2000, By Earl Wilcox and Mark Lamendola
Think of grounding as the foundation of a house that holds all of your electrical systems. Without it, the whole thing comes tumbling down....
Solving Instrumentation Ground Loop Problems
Nov 1, 1999, Edited by John A. DeDad, Editorial Director
Unwanted ground loops can cause inaccurate sensor readings by negatively affecting instrumentation signals....
Grounding and Bonding Datacom Systems
Sep 1, 1999, By Ray Keden, ERICO
Although the basic principles of grounding and bonding apply to telecom systems, you must understand the new terminology and unique grounding needs that sensitive systems require....
Don't Be Neutral About Grounding
Jul 1, 1999, By Fred Hartwell, Senior Editor
None of us are indifferent about grounding, but we often fail to communicate well. The revised NEC Sec. 250-2, a grounding course in one section, may help....
A Clear Path to Ground
Jul 1, 1999, By Donald Berozi, P.E.
Dual service with double-ended switchgear from different manufacturers presented a grounding system that would not function correctly due to the connection’s configuration....
Demystifying Isolated Grounded Systems — Part 2
Apr 1, 1999, By Ken Michaels, Bell South Corp.
Consider all site parameters before recommending an IG system. But first, measure existing equipment grounding system's impedance with a ground impedance tester prior to making any changes to the grounding system....
Demystifying Isolated Grounding Systems — Part 1
Mar 1, 1999, By Ken Michaels, Bell South Corp.
Your objective is to extend the zero volt reference to the neutral-ground input at the equipment location....
Should You connect Transformer Ground to Building Ground?
Mar 1, 1999, By Fred Hartwell, Senior Editor
Should You connect Transformer Ground to Building Ground? Q. What are good transformer grounding techniques? I would especially like to know about connecting...
Solid Grounding For Your Generator
Feb 1, 1999, By Harry L. Masten, P.E., C.P.E.
Generator grounding errors can cause current flow in de-energized circuits. This can cause nuisance tripping of protective circuits, with costly and possibly lethal results....
