Which cable type is intended for plenum applications?

Study for the Fire Alarm Lesson 5and6 Test. Prepare with flashcards and multiple choice questions; each question comes with hints and explanations. Gear up for success on your exam!

Multiple Choice

Which cable type is intended for plenum applications?

Explanation:
Plenum spaces require cables that limit smoke and flame spread to keep air handling pathways safe. The designation with the P signals a plenum rating, meaning this cable is tested and approved for use in plenum-style environments. That makes it the appropriate choice for air ducts and other plenums. The other variants are intended for different installation conditions—general non-plenum use, vertical riser runs, or shielded configurations—so they don’t meet the plenum requirements.

Plenum spaces require cables that limit smoke and flame spread to keep air handling pathways safe. The designation with the P signals a plenum rating, meaning this cable is tested and approved for use in plenum-style environments. That makes it the appropriate choice for air ducts and other plenums. The other variants are intended for different installation conditions—general non-plenum use, vertical riser runs, or shielded configurations—so they don’t meet the plenum requirements.

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