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          \t\t\t\t<br />\n
          This standard applies to gas-tube surge-protective devices for application on systems with voltages less than or equal to 1000 V rms or 1200 V dc. These protective devices are designed to limit voltage surges on balanced or unbalanced communication circuits and power circuits operating from dc to 420 Hz. This standard contains a series of standard test criteria for determining the electrical characteristics of these gas-tube surge-protective devices.<br />\n
          The tests in this standard are intended as design tests as defined under design tests in ANSI/IEEE Std 100-1988, IEEE Standard Dictionary of Electrical and Electronics rTerms and provide a means of comparison among various gas-tube surge-protective devices.
          """
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