General · G-Y9J4C

UL System Firestop Penetration Detail for Concrete Floor and Wall

Materials

Concrete Reinforced Concrete Masonry / CMU Metal (misc.)

Elements

Walls Floors / Slabs Insulation Reinforcing Roof / Floor Openings

About this detail

UL System No. C-AJ-3298 firestop assembly for cable penetrations through reinforced lightweight or normal weight concrete floors with a minimum thickness of 4-1/2 inches, or concrete walls with a minimum thickness of 5 inches. The assembly accommodates concrete blocks or hollow-core precast concrete units with specific maximum opening diameters for the penetration devices. Tightly bundled cables pass through the device and are rigidly supported on both sides of the concrete assembly, achieving a two-hour F, T, FT, FH, and FTH rating along with low air leakage ratings at ambient and 400 degrees Fahrenheit.

SECTION A-A ANSI/UL1479 (ASTM E814) CAN/ULC S115 F Rating — 2 Hr F Rating — 2 Hr T Rating — 2 Hr FT Rating — 2 Hr L Rating At Ambient — Less Than 1 CFM (See Item 2) FH Rating — 2 Hr L Rating At 400 F — Less Than 1 CFM (See Item 2) FTH Rating — 2 Hr L Rating At Ambient — Less Than 1 CFM (See Item 2) L Rating At 400 F — Less Than 1 CFM (See Item 2) Max Cabl e Fill Cable Type L Rating, CFM/Sq Ft L Rating, CFM Ambient 400°F Ambient 400°F 0% — 1 2 Less than 1 Less than 1 100% Any cables (Item 2) in any combination 7 7 Less than 1 Less than 1 Classified by Underwriters Laboratories, Inc. to UL 1479 and CAN/ULC-S115 R System No. C-AJ-3298 C C L A S S I F I E D US 1. Floor or Wall Assembly — Reinforced lightweight or normal weight (100-150 pcf or 1600-2400 kg/m3) concrete. Min 4-1/2 in. (114 mm) thick floors and min 5 in. (127mm) thick walls. Wall may also be constructed of any UL Classified Concrete Blocks*. Floor may also be constructed of any min 6 in. thick UL Classified hollow-core Precast Concrete Units*. Opening in floor or wall to be max 3 in. (76 mm) diam for 2 in. (51 mm) device and max 5 in. (127 mm) diam for 4 in. (102 mm) device. See Concrete Blocks (CAZT) and Precast Concrete Units (CFTV) categories in the Fire Resistance Directory for names of manufacturers. 2. Cables — Within the loading area for each firestop device, the cables may represent a 0 to 100 percent visual fill. Cables to be tightly bundled within the device and rigidly supported on both sides of floor or wall assembly. Any combination of the following types of cables may be used: A. Max 100 pair No. 24 AWG (or smaller) copper conductor telecommunication cable with polyvinyl chloride (PVC) jacketing and insulation. B. Max 7/C No. 12 AWG copper conductor control cable with PVC or XLPE jacket and insulation. C. Max 4/0 AWG Type RHH ground cable. D. Max 4 pr No. 22 AWG Cat 6 computer cables. E. Max RG 6/U coaxial cable with fluorinated ethylene insulation and jacketing. F. Fiber optic cable with polyvinyl chloride (PVC) or polyethylene (PE) jacket and insulation having a max diam of 1/2 in. (13 mm). G. Max 20/C No. 22 AWG shielded printer cable with PVC jacket. H. Through-Penetrating Product* — Two copper conductors No. 18 AWG (or smaller) Power or Non Power Limited Fire Alarm Cable with or without a jacket under a metal armor. AFC CABLE SYSTEMS INC I. Max. 1/4 in. (6 mm) diameter S-Video Cable consisting of 2 max 24 AWG 75 ohm coax or twisted pair cable with PE insulation and PVC jacket. See Table below for L Ratings. 2 3 4C 2 4C 3 1 4B 4A

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