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4" Square (4S) Deep Boxes Welded 2-1/8" Deep (BSA)

4S Deep Boxes (BSA) & 4S Covers

4" Square (4S) Deep Boxes Welded 2-1/8" Deep (BSA)

4" square (4S) deep welded boxes, 2-1/8" deep, 30.3 cubic inches, with UMI back support arm for studs up to 6" deep and 10" pigtail; ideal for pre-fab.

  • 10" solid Cu. #12AWG pigtail pre-assembled with ground emboss and 10-32 ground screw
  • UMI Back Support Arm supports studs up to 6" deep
  • Excellent for pre-fab applications

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 #ModelOptions
JW4SDB-50/75-PT-BSAWith Back Support Arm8-1/2", 4-3/4" sides, 1-1/2", 2-3/4" bottom KO; pkg. 24
JW4SDB-50/75-AB-PT-BSAWith AB, Flush, Back Support Arm6-1/2", 3-3/4" sides, 1-1/2", 2-3/4" bottom KO; pkg. 24
JW4SDB-MKO-PT-BSAWith Back Support Arm8-1/2", 4-MKO sides, 1-1/2", 2-MKO bottom KO; pkg. 24
JW4SDB-MKO-AB-PT-BSAWith AB, Flush, Back Support Arm6-1/2", 3-MKO sides, 1-1/2", 2-MKO bottom KO; pkg. 24
JW4SDB-MKO-AR1GAB, Flush, Back Support Arm w/ JW4SAR1G6-1/2", 3-MKO sides, 1-1/2", 2-MKO bottom KO; pkg. 24
JW4SDB-MKO-AR2GAB, Flush, Back Support Arm w/ JW4SAR2G6-1/2", 3-MKO sides, 1-1/2", 2-MKO bottom KO; pkg. 24

Reference the item numbers above when requesting a quote. Custom sizes and configurations available on request.