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Today’s LiveWire Spotlight looks at the fourth version of PRC-004-4 – which consolidates PRC-004-2a with PRC-003-1 into a single set of continent-wide Protection System Misoperations requirements. The latest posting makes several changes expected to improve the 50.66% approval rating of PRC-004-3 Draft 3.

The fourth draft of PRC-004-3 has been posted on the NERC web site for a 45 day review and concurrent ballot. Clients have until March 3, 2014 to return comments and vote on the proposed Reliability Standard.