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New Edition of IEC 60099-4 Published

A new edition of IEC 60099-4 has been published by the International Electrotechnical Committee. IEC 60099-4 applies to “Surge arresters – Part 4: Metal-oxide surge arresters without gaps for a.c. systems.” The new edition is available for purchase on the IEC’s website.

Description*

IEC 60099-4:2014 applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit voltage surges on a.c. power circuits with Us above 1 kV.”

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A Dash of Maxwell’s: A Maxwell’s Equations Primer – Part One

Solving Maxwell’s Equations for real-life situations, like predicting the RF emissions from a cell tower, requires more mathematical horsepower than any individual mind can muster. These equations don’t give the scientist or engineer just insight, they are literally the answer to everything RF.

*Description from the IEC Website

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