Product Description

Single gang adjustable electrical box for use with nonmetallic sheathed cable

Catalog #: SB-1

Height: 3-3/4 in.
Width: 2-5/16 in.
Depth: 3-9/16 in.
Volume: 23 cu. in.

Type of Installation: Old or New Work

Wall Box
Number of Gangs: 1

Carton Quantity: 48
Carton Weight: 14 lb.

UPC: 085339945000
UNSPSC: 39121308
U.S. Patent No. 7,855,338
Country of Origin: United States of America


Molded-in splined device holes, adjustable slider plate for additional wall substrate thickness, rectangular exterior for easy cut-in, leveling ribs, offset gauge marks


New and old work residential construction 2 HR fire resistive walls and ceilings


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 24 inches

Fire Resistance Classification in Floor-Ceiling Assemblies 2-Hours or Less
Distance between boxes must be 4-½ feet from one another

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)




Polyvinyl Chloride


Internal screws with adjustable slider plate for substrates 1/2" to 1 3/8"

Additional Materials

Carbon steel fasteners

Polycarbonate adjustable mounting plate