Clarifying Certifications for Manual Transfer Switch Equipment

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When comparing NRTL Listings of different products, it is important to know what the appropriate UL standards are and how they apply to your specific application. You may not always be purchasing what you think you are. The most common UL Listings on emergency power connection equipment are as follows: Read more

Sniper Attack on Power Grid Triggers Need for Emergency Backup Power

Power Grid Sniper Attack

A well-orchestrated sniper attack on Pacific Gas and Electric Company’s Metcalf power substation last year knocked out multiple transformers that supply power to Silicon Valley. Was this the work of vandals, or is this highly sophisticated attack a preliminary test by a terrorist organization bent on shutting down the nation’s high-tech sector?

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Power Outages Riddle Northeastern US & Canada – Compliments of Winter Storm Hercules

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A so-called polar vortex of freezing air plowed across the United States this past week, leading to hazardous conditions and record-low barometer readings. The severe blast of polar air initially affected the Midwest before scurrying over to the Eastern side of the country, closing schools, grounding flights, and forcing residents to shield exposed skin from practically instant frostbite;  Even the electrical grid was not exempt from the effects of the frigid weather.

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