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          Revision Standard - Superseded.<br />\n
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          -- Direct current power systems<br />\n
          -- Instrumentation and control (I&amp;C) power systems<br />\n
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          The purpose of this standard is to provide the following:<br />\n
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          -- The requirements for tests and surveillance of the Class 1E power systems.<br />\n
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Input props 
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          -- Direct current power systems<br />\n
          -- Instrumentation and control (I&amp;C) power systems<br />\n
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ProductMostRecent App\Twig\Components\ProductMostRecent 110.0 MiB 0.61 ms
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          Revision Standard - Superseded.<br />\n
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          -- Alternating current power systems<br />\n
          -- Direct current power systems<br />\n
          -- Instrumentation and control (I&amp;C) power systems<br />\n
          These systems include the items listed in Table 1.<br />\n
          This standard does not apply to the preferred power supply; the unit generators and their buses; generator breaker; step-up, auxiliary, and start-up transformers; connections to the station switchyard; switchyard; transmission lines; and the transmission network (see Figure 1).<br />\n
          The purpose of this standard is to provide the following:<br />\n
          -- The principal design criteria and the design features of the Class 1E power systems that enable the systems to meet their functional requirements under the conditions produced by the applicable design basis events.<br />\n
          -- The requirements for tests and surveillance of the Class 1E power systems.<br />\n
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}