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Sheet
Drawing No.
HILTI, Inc.
Date
Scale
NOTES : 1. MAXIMUM SIZE OF OPENING = 30" x 9".
2. ANNULAR SPACE = MINIMUM 0", MAXIMUM 5".
3. MAXIMUM AREA OF CABLES SHALL BE 45% OF CROSS-SECTIONAL AREA OF CABLE
TRAY BASED ON A MAXIMUM 3" CABLE LOADING DEPTH.
4. [OPTIONAL - NOT SHOWN] HILTI CFS-BL FIRESTOP BLOCK OR HILTI FS 657 FIRE BLOCK
(CENTERED WITHIN WALL ASSEMBLY) MAY BE APPLIED IN A SINGLE LAYER ABOVE
CABLES WITHIN CABLE TRAY (2" THICK x 8" WIDE x 5" DEEP). EITHER ONE OR A
COMBINATION OF BLOCK TYPES MAY BE USED.
1. GYPSUM WALL ASSEMBLY (UL/cUL CLASSIFIED U400 OR V400 SERIES) (1-HR. OR 2-HR. FIRE-RATING)
(2-HR. SHOWN).
2. OPENING TO BE "FRAMED OUT" WITH LIGHTGAGE STEEL STUDS (MINIMUM 3-1/2" WIDE).
3. MAXIMUM 24" x 4" ALUMINUM OPEN LADDER CABLE TRAY.
4. CABLES TO BE ANY COMBINATION OF THE FOLLOWING :
A. MAXIMUM 300 PAIR NO. 24 AWG TELEPHONE CABLE.
B. MAXIMUM 500 KCMIL SINGLE CONDUCTOR POWER CABLE.
C. MAXIMUM 3/8" DIAMETER FIBER-OPTIC CABLE.
D. MAXIMUM 3/C NO. 12 AWG METAL-CLAD CABLE.
5. HILTI CP 620 FIRE FOAM INSTALLED FLUSH WITH BOTH SURFACES OF THE WALL :
A. MINIMUM 4-3/4" THICKNESS, FOR A 1-HR. FIRE-RATING.
B. MINIMUM 6" THICKNESS, FOR A 2-HR. FIRE-RATING.
WL
4034c
1 of 1
1/8" = 1"
Jan. 10, 2012
UL/cUL SYSTEM NO. W-L-4034
F-RATING = 1-HR. OR 2-HR.
T-RATING = 0-HR.
WL4034c.011012
CABLE TRAY THROUGH GYPSUM WALL ASSEMBLY
A
A
SECTION A-A
FRONT VIEW
Tulsa, Oklahoma USA (800) 879-8000
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