It’s all too easy to underestimate the complexities of office or data center low-voltage cabling requirements. Unfortunately, many people are unfamiliar with the National Fire Protection Association (NFPA) and assume that any cable will suffice for their needs, rather than checking to see if their cables meet NEC (or NFPA 70) requirements. When planning and budgeting for a new cable installation or hiring a low voltage cabling contractor, businesses should be aware of the various cable ratings referenced in the NEC. CL/CM cables, CMP cables, and CMR cables are examples of these ratings, known as a general-purpose/residential, communications plenum, ...Read more

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