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Are non-metallic low voltage cables required to be plenum-rated?

April 26, 2017cables low non-metallic plenum-rated voltage

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Are non-metallic low voltage cables required to be plenum-rated?

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Yes, if they’re concealed in Type I or Type II construction. The IBC Southern Nevada Amendments (717.5) prohibit combustible materials in concealed spaces of Type I & II construction. Plenum-rated will be considered to be non-combustible per the smoke and flame spread rating.