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Here on Industrial World 360, we are unmatched in our ability to provide customers time and cost savings on all the Electrical Box Extension & Brackets parts they require for their operations. On this page, you can find every listing that we have ready-for-purchase for this particular subcategory of items, including in-demand part numbers like 131RAC, 14-BL, 203PL, 205RAC, 206RAC, 270RAC, 2GBDEX-2G, and various others. Take the time to explore our offerings as you see fit, and you may always fill out and submit an RFQ form as provided on our website for the means of requesting quotes for your comparisons.

To ensure that we only supply customers with the absolute best on the market, we enact rigorous vetting processes for every entity that we source from, and countless parts are subjected to varying levels of quality control assurance prior to shipment. Alongside our commitment to the fit, form, and functionality of every listing, we also strive to always meet any time constraints that our customers may have with expedited shipping options on domestic and international orders alike. If you have any potential restrictions or needs, be sure to let us know as soon as you can so that we can best tailor a solution to meet your requirements.

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Part No.DescriptionManufacturerSub CategoryRFQ
131racRaco 131RAC 4" Octagon Extension Ring, Drawn, 1-1/2" Deep, Four 3/4" KO's 4 in. Octagon Extension Ring, Drawn, 1-1/2 in. Deep, Four 3/4 in. KO'sRaco Manufacturing
14-blABB 14-BL BAR HANGER-24 IN LONG Bar Hanger, Length 24 Inches, Straight, Steel, For Mounting Ceiling Boxes, Furnished with Stove BoltBowers/thomas & Betts
203pl4 in. Square Plenum Box Extension, 1-1/2 in. Deep, Eight 1/2 in. and Four 3/4 in. Knockouts RACO 203PL 4SQ PLENUM BOX EXTENSIONRaco Manufacturing
205rac4 in. Square RETRO-RING®, Old Work, Used for Life Safety Support Raco 205RAC 4" Square RETRO-RING, Old Work, Used for Life Safety SupportRaco Manufacturing
206rac4 in. Square RETRO-RING®, Old Work, Used for Mounting of One of Two Device Applications Raco 206RAC 4" Square RETRO-RING, Old Work, Used for Mounting of One of Two Device ApplicationsRaco Manufacturing
270racConcrete Ring, Welded, 4 in. Deep, Single Row 1/2 & 3/4 in. KO's Raco 270RAC Concrete Ring, 2" Deep, 1/2" & 3/4" Single Row KnockoutsRaco Manufacturing
2gbdex-2g2GBDEX 2-Outlet/Switch Box Extension Ring, 2-1/2" Deep, SteelArc-co
2gbex-2g2GBEX 2-Outlet/Switch Box Extension Ring, 1-5/8" Deep, SteelArc-co
3gbdex-3g3GBDEX 3-Outlet/Switch Box Extension Ring, 2-1/2" Deep, SteelArc-co
3gbex-3g3GBEX 3-Outlet/Switch Box Extension Ring, 1-5/8" Deep, SteelArc-co
4-od-ext-1-2Octagon Box Extension Ring, 21.5 Cubic Inches, 4 Inch Diameter x 2-1/8 Inch Deep, 1/2 Inch Knockouts, Pre-Galvanized Steel ABB 4-OD-EXT-1/2 OCTO BOX EXT RINGBowers/thomas & Betts
4-od-ext-splOctagon Box Extension Ring, 21.5 Cubic Inches, 4 Inch Diameter x 2-1/8 Inch Deep, 1/2 Inch and 3/4 Inch Knockouts, Pre-Galvanized Steel ABB 4-OD-EXT-SPL DRWN 4IN OCT EXT RBowers/thomas & Betts
4-s-wr-1-2Square Wall Extension Ring, 21 Cubic Inches, 4 Inch Square x 1-1/2 Inch Deep, 1/2 Inch Knockouts, Galvanized Steel, Three Knockouts on Each Side, Four 8/32 Screws Furnished BW 4-S-WR-1/2 WELD 4 IN SQ OUTLT BXBowers/thomas & Betts
4cse1-2Appleton 4CSE1/2 1/2" Side 13 In³ Steel Handy Box Extension Ring Features:1 7/8IN Depth, For 4 X 2 1/8 IN Boxes, With Slide On, (8) 1/2 IN Knockout, Standard:UL, Material:Steel, Cubic Capacity:13CIAppleton Electric
4gbdex-4g4GBDEX 4-Outlet/Switch Box Extension Ring, 2-1/2" Deep, SteelArc-co
4gbex-4g4GBEX 4-Outlet/Switch Box Extension Ring, 1-5/8" Deep, SteelArc-co
4oe-1-2Appleton 4OE-1/2 4 x 1-1/2" 15.5 In³ Steel Octagon Outlet Box Features:1 1/2IN Depth, For 4 IN Boxes, (4) 1/2 IN Knockout, Standard:UL, Material:Steel, Cubic Capacity:15.5CIAppleton Electric
4oe-splFeatures:1 1/2IN Depth, For 4 IN Boxes, (2) 1/2 IN, (2) 3/4 IN Knockout, Standard:UL, Material:Steel, Cubic Capacity:15.5CI Appleton 4OE-SPL 4 x 1-1/2" 15.5 In³ Steel Octagon Outlet BoxAppleton Electric
4sjde-1-2-3-4Appleton 4SJDE-1/2-3/4 42 In. Steel Square Outlet Box Extension Ring Features:2 1/8IN Depth, For 4 11/16 IN Boxes, (4) 1/2 IN, (6) 3/4 IN Knockout, Standard:UL, Material:Steel, Cubic Capacity:42CIAppleton Electric
4ssle-1-2Features:1 1/2IN Depth, For 4 X 2 1/8 IN Boxes, With Slide On, (8) 1/2 IN Knockout, Standard:UL, Material:Steel, Cubic Capacity:10.3CI Appleton 4SSLE-1/2 4 x 2-1/8" 1-1/2" Deep Steel Drawn Extension Ring Handy BoxAppleton Electric
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Americas Fastest Growing Private Company
ASA Member
NBAA Member
ISO 9001:2015 & AS9120B
Cage Code 6RE77
ITAR
eCustoms Visual Compliance
D-U-N-S Number 069876325
FAA 0056 B Accredited
ESD S20.20
AS 6081:2012
NIST 800-171 Compliance
Top Distributors 2018
Top Distributors 2020
Top Distributors 2025
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