Specialty Electrical Boxes for Fire Alarm Systems This Specialty Electrical Box by Thomas & Betts is designed specifically for use in fire alarm systems, providing a reliable and code-compliant solution for electrical distributors and switchgear suppliers. The box is a 4-inch square steel enclosure with a depth of 2-1/8 inches, featuring a 1-1/2 inch deep extension ring. It includes 1/2 inch and 3/4 inch knockouts, making it compatible with conduit installations commonly required in fire alarm wiring and lighting solutions. Specifications Manufacturer: Thomas & Betts Manufacturer Part #: 52171-EXTOWRD Material: Steel Finish: Pre-Galvanized Color: Red Dimensions: 4 inch square x 2-1/8 inches deep Extension Ring Depth: 1-1/2 inches Cubic Capacity: 51.3 cubic inches Knockouts: 1/2 inch and 3/4 inch Number of Outlets: 1 Product Weight: 1.49 lbs Application: For use in fire alarm systems Features Pre-galvanized steel construction with welded design for durability Bright red finish for easy identification in fire alarm installations, eliminating the need for repainting Includes old work mounting ears for retrofit applications Compatible with conduit fittings to meet electrical and fire code requirements Designed to accommodate wiring and devices in fire alarm systems with sufficient cubic capacity Downloads & Links
