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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 Two

Maxwell’s Equations are eloquently simple yet excruciatingly complex. Their first statement by James Clerk Maxwell in 1864 heralded the beginning of the age of radio and, one could argue, the age of modern electronics.

*Description from the IEC Website

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