4" Square Drawn Boxes4" Square Drawn Boxes
4 11/16" Square Welded Boxes & Extensions4 11/16" Square Welded Boxes & Extensions
4" Square Welded Boxes4" Square Welded Boxes
4" x 2" Handy Box Covers4" x 2" Handy Box Covers
4" Industrial Covers4" Industrial Covers
4" Square Single Gang Device Rings4" Square Single Gang Device Rings
4" Square to Round Device Rings4" Square to Round Device Rings
4" Square Single Gang Covers4" Square Single Gang Covers
4" Octagon Drawn Deep Boxes and Covers4" Octagon Drawn Deep Boxes and Covers
4" Square Drawn Deep Boxes4" Square Drawn Deep Boxes
4" Square Welded Deep Boxes4" Square Welded Deep Boxes
4" Square Steel Box Extensions4" Square Steel Box Extensions
4" x 2" Drawn Handy Boxes (1-7/8" Deep)4" x 2" Drawn Handy Boxes (1-7/8" Deep)
4" x 2" Drawn Handy Boxes (2-1/8" Deep)4" x 2" Drawn Handy Boxes (2-1/8" Deep)
4" x 2" Drawn Handy Boxes (1-1/2" Deep)4" x 2" Drawn Handy Boxes (1-1/2" Deep)
4" Octagon Drawn Boxes & Extensions4" Octagon Drawn Boxes & Extensions
4" Octagon Drawn Boxes w/ Brackets & Supports4" Octagon Drawn Boxes w/ Brackets & Supports
4" Octagon Drawn Deep Boxes & Covers4" Octagon Drawn Deep Boxes & Covers
Round Pancake Boxes and CoversRound Pancake Boxes and Covers
4" Square Double Gang Device Rings4" Square Double Gang Device Rings
3" x 2" Gangable Switch Boxes (2 1/2" Deep)3" x 2" Gangable Switch Boxes (2 1/2" Deep)
3" x 2" Gangable Switch Boxes (2 3/4" Deep)3" x 2" Gangable Switch Boxes (2 3/4" Deep)
3" x 2" Gangable Switch Boxes (1 1/2" Deep)3" x 2" Gangable Switch Boxes (1 1/2" Deep)
4 11/16" Single Gang Device Rings & Covers4 11/16" Single Gang Device Rings & Covers
Drawn handy Box ExtensionDrawn handy Box Extension
3" x 2" Gangable Switch Boxes (3 1/2" Deep)3" x 2" Gangable Switch Boxes (3 1/2" Deep)
Multi-Gang Switch Boxes w/ FL BracketMulti-Gang Switch Boxes w/ FL Bracket
Multi-Gang Device RingsMulti-Gang Device Rings
Masonry Boxes - 3 1/2" DeepMasonry Boxes - 3 1/2" Deep
Masonry Boxes - 2 1/2" DeepMasonry Boxes - 2 1/2" Deep
Adjustable Depth Multi-Gang Device RingsAdjustable Depth Multi-Gang Device Rings
Multi-Gang Switch BoxesMulti-Gang Switch Boxes
4" Octagon Concrete Covers4" Octagon Concrete Covers

East Electrical Supply distributes steel electrical device boxes for commercial and industrial wiring installations across the United States. Our selection includes 4" square welded and drawn boxes in standard and deep configurations, 4-11/16" large-volume boxes, octagon boxes for ceiling fixtures, handy boxes for surface mounting, and gangable switch boxes in multiple depths. Device rings, covers, and extensions are also available to adapt boxes for specific installation requirements. Browse our full selection below.