Provide Easy Identification of Products Containing Cabling of Fire Alarm Systems; Prevent Need for Repainting; Industrial, Commercial or Residential Use; RoHS Compliant; Made in USA

Specifications:

Type: Square Box Extension Ring
Height: 4 Inch
Width: 4 Inch
Depth: 1-1/2 Inch
Capacity: 21 Cu Inch
Number of Knockouts: 12
Knockout Size: (8) 1/2 Inch Side, (4) 1/2 Inch and 3/4 Inch Side
Material: 16 Gauge Welded Sheet Steel
Standard Package: 50
Approval: UL 514A, UL (Canada and US)