Ken Michaels

Demystifying Isolated Grounded Systems — Part 2

April 1, 1999
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...

Demystifying Isolated Grounding Systems — Part 1

March 1, 1999
Your objective is to extend the zero volt reference to the neutral-ground input at the equipment location. Specifications often require an isolated grounding (IG) system when ...

Power Quality Training: Its Past, Present, And Future

Feb. 1, 1999
With today's technology, power quality students have many choices. And as more electrical contractors strive to keep up with that technology, many new training methods become ...