The harnessing of electricity has played a pivotal role in human history and has exponentially expedited our growth as a species. Since becoming a household commodity in the late 19th century, ...

Motors used for refrigeration equipment (including air conditioning systems) are hermetic. When we say “hermetic,” what do we mean? It’s a motor that’s sealed from the outside. In the case of ...

Electrical safety in direct current (DC) systems is not as well understood or regulated as alternating current (AC) systems. This is due to the new and diverse forms of DC sources, lower prevalence of ...