Status: A recirculation ballot of the interpretation ended on December 19, 2011. The interpretation was approved by the ballot pool with a quorum of 88.02% and weighted segment approval of 96.04%. The interpretation will be presented to the NERC Board of Trustees for adoption in February 2012 and if adopted, filed with regulators for approval.
Background:Progress Energy asked if Electronic Security Perimeter wiring external to a Physical Security Perimeter must be protected within a six-wall boundary.
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Progress Energy CIP-006-1, Requirement R1.1 - Automatic Generation Control
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