A temporary rise in voltage supplied to an DEVICE." Under the VVSG, a ELECTRONIC 2007 device must be able to withstand a " temporary overvoltage of up to 120% of nominal system voltage lasting up to 0.5 second, and a permanent overvoltage of up to 110% of nominal system voltage. Cf. SAG.
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A temporary rise in voltage supplied to an DEVICE." Under the VVSG, a ELECTRONIC 2007 device must be able to withstand a " temporary overvoltage of up to 120% of nominal system voltage lasting up to 0.5 second, and a permanent overvoltage of up to 110% of nominal system voltage. Cf. SAG.
Cite this term
Election Security Glossary. (2026). Swell. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/swell
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