4x4 Metal Junction Box & Cover Kit, 4 Inch Square Electrical Box with Blank Cover, Drawn Metal Box, Steel Electrical Junction Box, Flat Blank J Box Cover, 1-1/2" Deep, 21 Cu in

WELDED STEEL ELECTRICAL BOX CONSTRUCTION – Heavy-duty welded steel junction box delivers superior rigidity and long-term durability compared to drawn or plastic boxes. Built for professional installations where strength and reliability matter.

4 IN. SQUARE, 1-1/2 IN. DEEP DESIGN – Standard 4 in. square footprint with a 1-1/2 in. depth provides ample wiring room while maintaining compatibility with common electrical layouts in walls and ceilings.

RAISED GROUND WITH UL LISTED SAFETY – Integrated raised ground improves bonding reliability and grounding continuity. UL Listed construction supports code-compliant residential and commercial electrical applications.

FLAT BLANK GALVANIZED STEEL COVER INCLUDED – Kit includes a matching flat blank steel cover designed to fully enclose the box, protect wiring, and allow future access for changes or expansions.

AIRMONT PRODUCTS QUALITY – Built for electricians, contractors, and professionals who expect consistent fit, dependable performance, and jobsite-ready construction. Electricians know us, and we know electricians.

This Airmont 4 in. Square Metal Junction Box & Flat Blank Cover Kit is engineered for clean, code-compliant electrical installations that demand strength, space, and flexibility. The welded steel box provides increased structural integrity, making it ideal for applications where multiple conductors are split in two or more directions. With a 1-1/2-inch depth and 21 cubic inches of internal capacity, the box supports NEC-compliant conductor fill while keeping wiring organized and accessible. A comprehensive knockout layout allows efficient conduit routing from multiple directions, while the raised ground enhances grounding reliability. The included flat galvanized steel blank cover seals the enclosure securely and allows future access when needed. Designed for use in walls or ceilings, this Airmont Junction Box kit delivers professional-grade performance for residential, commercial, and light industrial electrical work.