4S Boxes
4" Square (4S) Boxes & Extension Rings Welded 1-1/2" Deep
4" square (4S) welded boxes and extension rings, 1-1/2" deep, 21.0 cubic inches, with raised ground emboss and a range of bracket options.
Pricing by quote
Pricing depends on quantity, finish, options, and delivery. Send the items and quantities you need — most quotes come back the same business day.
Models & Specifications
| Item # | Model | Options |
|---|---|---|
| JW4SB-50 | No bracket | 12-1/2" sides, 4-1/2" bottom KO; pkg. 50 |
| JW4SB-50-FB | FB, Flush | 9-1/2" sides, 5-1/2" bottom KO; pkg. 24 |
| JW4SB-50/75 | No bracket | 8-1/2", 4-3/4" sides, 2-1/2", 2-3/4" bottom KO; pkg. 50 |
| JW4SB-50/75-PT | No bracket, pigtail | 8-1/2", 4-3/4" sides, 2-1/2", 2-3/4" bottom KO; pkg. 50 |
| JW4SB-50/75-FB | FB, Flush | 6-1/2", 3-3/4" sides, 3-1/2", 2-3/4" bottom KO; pkg. 24 |
| JW4SB-50/75-MS | MS, Self-Gripping + Box Support Clip | 6-1/2", 3-3/4" sides, 3-1/2", 2-3/4" bottom KO; pkg. 24 |
| JW4SB-75 | No bracket | 8-3/4" sides, 2-1/2", 2-MKO bottom KO; pkg. 50 |
| JW4SB-75-FB | FB, Flush | 6-3/4" sides, 1-1/2", 4-3/4" bottom KO; pkg. 24 |
| JW4SB-MKO | No bracket, MKO | 8-1/2", 4-MKO sides, 2-1/2", 2-MKO bottom KO; pkg. 50 |
| JW4SB-MKO-PT | No bracket, MKO, pigtail | 8-1/2", 4-MKO sides, 2-1/2", 2-MKO bottom KO; pkg. 50 |
| JW4SB-MKO-FB | FB, Flush, MKO | 6-1/2", 3-MKO sides, 3-1/2", 2-MKO bottom KO; pkg. 24 |
| JW4SB-MKO-B | B, Flush, MKO | 6-1/2", 3-MKO sides, 3-1/2", 2-MKO bottom KO; pkg. 24 |
| JW4SB-MKO-AB | AB, Flush, MKO | 6-1/2", 3-MKO sides, 3-1/2", 2-MKO bottom KO; pkg. 24 |
| JW4SB-MKO-MS | MS, Self-Gripping + Box Support Clip, MKO | 6-1/2", 3-MKO sides, 3-1/2", 2-MKO bottom KO; pkg. 24 |
| JW4SB-MKO-OB | OB, 1-5/16", MKO | 6-1/2", 3-MKO sides, 3-1/2", 2-MKO bottom KO; pkg. 24 |
| JW4SB-MKO-WB | WB, Flush, MKO | 6-1/2", 3-MKO sides, 3-1/2", 2-MKO bottom KO; pkg. 24 |
| JW4SB-50-EXT | Extension ring | 12-1/2" sides KO; pkg. 50 |
| JW4SB-50/75-EXT | Extension ring | 8-1/2", 4-3/4" sides KO; pkg. 50 |
| JW4SB-MKO-EXT | Extension ring, MKO | 8-1/2", 4-MKO sides KO; pkg. 50 |
| JW4SB-MKO-EHB | Extension Ring to Handy Box | 8-1/2", 4-MKO sides KO; pkg. 50 |
Reference the item numbers above when requesting a quote. Custom sizes and configurations available on request.