In the quest to make solar power a mainstream electrical power generation source, improving photovoltaic cells’ efficiency has been the industry’s Holy Grail. READ MORE
September Issue 2010
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September 2010
I recently found out that electrical engineers and electrical personnel do not always use the same thought process when classifying low-voltage systems, such as Class 1, 2 an READ MORE
(Systems)
September 2010
The required test for every installed cable plant is loss or, to be more specific, insertion-loss testing with a light source, power meter, reference cables and mating adapte READ MORE
September 2010
Achieving efficiency from building retrofits has become one of the latest targets in the energy-reform movement, but so far, attempts have failed to pierce the bull’s-eye. READ MORE
September 2010
Last month’s column covered the first two types of connected loads to which the demand factors in Table 220.84 apply. READ MORE
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September 2010
