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What is the difference between the terms “Surge Arrester” and “Transient Voltage Surge Suppressor (TVSS)”?

April 26, 2017suppressor surge terms transient TVSS voltage

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What is the difference between the terms “Surge Arrester” and “Transient Voltage Surge Suppressor (TVSS)”?

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These terms are often used interchangeably and rather loosely. However, the two terms have different meanings as determined by the National Electrical Code (NEC) (www.nfpa.org), their UL listing, and applicable IEEE/ANSI standards.