IEEE PC37.30.3 pdf download IEEE Standard Requirements for High-Voltage Interrupter Switches, Interrupters, or Interrupting Aids Used on or Attached to Switches Rated for Alternating Currents Above 1000 V 1.Overview1.1 Scope This document provides standard requirements for interrupter switches, interrupters, or interrupting aids usedon or attached to switches rated for high-voltage ac above 1000 v and used indoors, outdoors, or in...