GROUND RESISTANCE TESTING also referred to earth resistance testing finds its roots in the early 1930s. Limited technology was available, so a null balance galvanometer, a decade resistance box and a DC power source combined to make one of the first ground testers. Years later hand-cranked technology, first using a generator, provided the test voltage.Read More ›
Category: Cover Story
Upgrading Legacy Backup Power Systems with a Modern High Efficiency UPS
Introduction There is a growing trend in the UPS industry to create a highly efficient, more lightweight and smaller UPS system. Data centers across the world are constantly searching for new ways to maximize reliable UPS power while minimizing the UPS and associated equipment footprint. In addition, operating costs for large data centers always willRead More ›
Combination Testers Save Time and Eliminate Error
The first order of the day with any measurement instrument is, of course, the reading. That’s the primary raison d’être. But electrical test equipment that gives accurate and reliable readings has existed for over a century now. Yes, there have been improvements and what was good to begin has gotten even better. Microprocessors and LiquidRead More ›
Their Space. Their Personal Lighting Experience.
When it made the decision to relocate its Washington D.C. office, Michael Best LLC mapped out a laundry list of both critical and aspirational items it wanted to incorporate into the design of its new space. Being a firm that was growing its intellectual property book of business, it had first-hand knowledge of new andRead More ›