Compliance with NEC 110.10 is critical for safety. We all want safe designs, but the engineer responsible for a UPS installation may not always understand how to accommodate the UL listing unique to ...
American Superconductor Corporation and Siemens AG announced commercial-grade performance levels for a medium voltage superconductor surge protection device known as a fault current limiter (FCL). The ...
Although it's one of the most important aspects of electrical design and installation, grounding continues to be one of the least understood and most misinterpreted concepts in the industry. It's also ...
How to select the proper neutral-grounding resistor for a high-resistance grounded electrical system
High-resistance grounding (HRG) makes a power distribution system safer and more reliable than the alternatives. High-rresistance grounding can limit point-of-fault damage, eliminate transient ...
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