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What Are the Lights on Your Surge Protector Telling You

Published

Author(s)

Francois D. Martzloff

Abstract

Surge-Protective devices (SPD) applied in low-voltage ac power circuits should be provided with appropriate means to disconnect a failed SPD from the power system and provide a clear indication of the SPD status. This objective has not been consistently applied by manufacturers, as shown by an informal survey of off-the-shelf devices. More specific and clear standards are needed to overcome the present ambiguity.
Citation
Power Quality Assurance Journal (publ. Intertech Intl., Inc.)-9
Issue
4

Keywords

circuit-breakers, failure modes, fuses, surge protective devices, Underwriters Laboratories

Citation

Martzloff, F. (1998), What Are the Lights on Your Surge Protector Telling You, Power Quality Assurance Journal (publ. Intertech Intl., Inc.)-9, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=1132 (Accessed November 12, 2025)

Issues

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Created August 1, 1998, Updated February 19, 2017
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