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Browse Electrical Box Extension & Brackets Parts and Components

Industrials Unlimited is an all-inclusive purchasing platform for industrial parts and components. Our inventory of more than two billion new and obsolete parts includes a broad range of products from many different part categories. One such category is Electrical Box Extension & Brackets, which contains parts such as 131rac, 14-bl, 203pl, 205rac, 206rac and many others, all of which are readily available with short lead times and competitive prices. Among our competitive edges is our ability to leverage our purchasing power to secure lower costs and faster shipping times on all orders, even in AOG situations. We are able to do this due to resources such as our international supply chain network that spans the United States, Canada, and the United Kingdom. Furthermore, as an AS9120B, ISO 9001:2015, and FAA AC 00-56B accredited business, we are able to guarantee the quality and reliability of each part we sell. To see how we are revolutionizing parts procurement, submit an RFQ today for desired Electrical Box Extension & Brackets part.

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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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