Articles 725 through Chapter 8 of the National Electrical Code (NEC) contain requirements for limited energy and communications systems. This RedVector interactive online course: 2017 NEC Changes: Communications Systems will teach you about changes made in the articles for remote-control, signaling, and power-limited circuits [725]; communications circuits [800]; and coaxial cables [820]. Notable changes include cable routing assemblies and communications raceways for control circuits, a major change to address fires from limited energy circuits, revisions to requirements for unlisted cables entering buildings, grounding of primary protectors, uses permitted for under-carpet communications wires and cables, and separation requirements for coaxial cables. Learn more at www.RedVector.com
2017 NEC Changes: Metal Entrance Conduit Grounding - YouTube |
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| Education | Upload TimePublished on 1 Aug 2017 |
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