Product Description

4" dia. round fan support box for use with nonmetallic sheathed cable

Catalog #: 9373-FR

Width: 4 in.
Depth: 6 in.
Volume: 16.5 cu. in.

Type of Installation: Old or New Work

Round Ceiling Box

Carton Quantity: 40
Carton Weight: 16 lb.

UPC: 085339782544
UNSPSC: 39121316
U.S. Patent No. 6,365,831 B1

U.S. Patent No. 7,531,742
Country of Origin: United States of America


1/2" deep base with side cube wiring capacity, fan/fixture screws for joist mounting


New and old work residential construction 2 HR fire resistive walls and ceilings (70 lbs. fan support and 110 lbs. fixture support)


ANSI / UL 514C: File No. E30594


Ul Code Black


Fire Classification

Fire Test of Building Construction Materials
ANSI / UL 263: File No. CEYY.R9379 (Category / File No.)
Note: Products must also be certified to: ANSI / UL 514C


Fire Resistance Classification in Wall Assemblies 2-Hours or less
Shall be separated by a horizontal distance of not less than 3 inches


Fire Resistance Classification in Floor-Ceiling Assemblies 2-Hours or Less
Distance between boxes in adjacent cavities may be reduced to 5 ½ inches

Note: For more details please refer to the UL fire resistive directory and Allied Moulded’s CEYY.9379 (Outlet boxes and fittings classified for fire resistance)






Bottom mount

Additional Materials

Plated carbon steel fasteners

Support Rating

110 lbs fixture support and 70 lbs fan support