Product Description

4 square inch electrical junction box for use with nonmetallic sheathed cable

Brand: fiberglassBOX™
Catalog #: 9339-Z+1

Height: 4-1/4 in.
Width: 4-1/4 in.
Depth: 1-1/4 in.
Volume: 16 cu. in.
Type of Installation: New Work
Wall Box

Carton Quantity: 50
Carton Weight: 22 lb.

UPC: 085339103141
UNSPSC: 39121332
Country of Origin: United States of America


Machine tapped cover screw holes, cover screws included, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures, C2 clampls bulk packed


In the wall junction box with optional single and two gang plaster ring covers for junction box capacity and device applications - 2 HR fire resistive walls


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

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)




Fiberglass reinforced polyester BMC


Stud mount "Z" hanger bracket offset for flush mount plaster ring

Additional Materials

Galvanized steel brackets and plated carbon steel fasteners

Plated carbon steel clamp and fasteners

Carbon steel fasteners