The effects of voltage surges on electrical and electronic equipment are difficult to characterize in a way that relates to real-world working conditions, but questions such as, ‘How many surges does it take to damage my equipment’ or ‘how much longer will my equipment last with and without surge protection?’ arise with almost every application. Although there are testing standards in place, those tests normally are conducted under standard lab conditions and don&rsquo
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NEMA White Paper Evaluates Surge Susceptibility of Electrical Components
The technical committee on low voltage surge protective devices tested a variety of devices against nine different surge wave forms.