A multi-purpose communications wire or cable for general use except in plenums and risers is marked as____.

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Prepare for the NCCER 33108 Limited-Energy Cabling Exam. Utilize flashcards and multiple-choice questions, complete with hints and detailed explanations. Ace your exam with confidence!

Multiple Choice

A multi-purpose communications wire or cable for general use except in plenums and risers is marked as____.

Explanation:
Cable markings tell you the installation environment the wire is allowed to be used in. The designation CMG identifies a communications cable intended for general use in typical dry, non-plenum/ non-riser spaces. The G stands for general use, meaning it’s suitable for general in-wall or in-ceiling runs but not in air-handling spaces like plenums or between floors. If you need a cable for plenums or risers, you’d use different ratings (plenum-rated or riser-rated). So that CMG marking matches the idea of a multi-purpose communications cable for general use except in plenums and risers.

Cable markings tell you the installation environment the wire is allowed to be used in. The designation CMG identifies a communications cable intended for general use in typical dry, non-plenum/ non-riser spaces. The G stands for general use, meaning it’s suitable for general in-wall or in-ceiling runs but not in air-handling spaces like plenums or between floors. If you need a cable for plenums or risers, you’d use different ratings (plenum-rated or riser-rated). So that CMG marking matches the idea of a multi-purpose communications cable for general use except in plenums and risers.

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