34,000+ results for extension box
- Orbit 4SDB-MKO-EXT 4 Inch Square EXTENTION Box 2.13 Inch Deep MKOOpens in a new window or tabBrand New$7.45Save up to 10% when you buy morelorrayne49 (9,245) 97.4%+$5.00 shipping
- Iberville BC1110R Utility Box Extension Ring 4in X 2-3/8in X 1-7/8in (BOX OF 50)Opens in a new window or tabBrand New$210.00intersupplier (1,148) 99.4%+$22.31 shipping
- Eaton 4" OCTAGON EXTENSION RING BOX OF 50Opens in a new window or tabCat No. TP286New – Open box$200.00remad-3949 (45) 100%Free shipping
- Volvo VNL 2004-2015 L R Side Extension Corner Bumper w/o Fog Light Hole Set PairOpens in a new window or tabBrand New$169.91expedited_parts (12,805) 98.5%Free 2-3 day shipping263 sold
- Raco 130 Extension Ring, Box, 2, Steel, Extension RingOpens in a new window or tabFree Shipping on orders over $75Brand New$3.15zorotools (1,183,833) 99.5%+$5.00 shippingFree returns
- 4-11/16" Square Welded Electrical Extension Box Ring 2-1/8 Deep KO's~Raco 262Opens in a new window or tabBrand New$4.99electrician.depot (36,599) 98.2%+$5.99 shipping917 sold
- 25 pieces 4" Octagon Box Extension Rings Steel City NEWOpens in a new window or tabBrand New$52.00pratt2905 (1,791) 100%Free shippingAlmost gone11 sold
- Lot Of 2 RACO 4" Square Steel Box Extention SEE DESCRIPTIONOpens in a new window or tabNew – Open box$19.99elisblackbur-0 (7,187) 99.9%Free shipping
- RANDL INDUSTRIES 5" X 4" SQUARE 5/8" EXTENSION RING BACK BOXOpens in a new window or tabBrand New$4.50Save up to 7% when you buy moretoomanyamps (29,508) 99.5%Free shipping
- One Cat. 2-Gang Weatherproof Box Extention #30273 1" Deep Old #B2-EX (NIB)Opens in a new window or tabBrand New$15.00seicinc (5,642) 100%+$14.18 shipping
- Steel City 53171-1 4" Square Extension Ring 1" KOOpens in a new window or tabNew – Open box$3.00Save up to 20% when you buy morejjpstuff (2,487) 99.5%+$6.65 shipping87 sold
- ReceptXtenders Electrical Receptacle Box Extension Ring 1-Gang 1/4"Opens in a new window or tabNew – Open box$1.58Save up to 40% when you buy moreWas: $3.95 60% offTop Rated Plusfsasllc (188,730) 99.3%+$4.95 shippingFree returns3 watchers
- Bell 5406-0 Single-Gang Extension Box GrayOpens in a new window or tabNew – Open box$9.52Top Rated PlusWas: $11.90 20% offcordobaretail (2,283) 99.4%Free shippingFree returns
- 2019-22 FORD TRANSIT CONNECT REAR LEFT BUMPER EXTENSION END CORNER COVER OEMOpens in a new window or tabPre-Owned$165.99Extra 9% off with couponadvantage-parts (7,739) 99.5%+$50.00 shipping
- Black Box Network Services Acu6201a Catx USB KVM Extender (dual Video)Opens in a new window or tabBrand New$850.00Save up to 15% when you buy moredrimaxu (2,279) 99.4%Free shipping
- NEMA 6-20 Extension Power Cord - 75 ft 20A/250V 10/3 SJOOW - Iron Box # IBX-6153Opens in a new window or tabBrand New$158.13iron-box-electric (10,763) 98.8%Free shipping
- Thomas&Betts Galvanized Steel 3" x 2" x 7/8" Switch Box Extension, Lot of 2, FSOpens in a new window or tabBrand New$10.00Save up to 20% when you buy morebuildersdiscountmart (102,089) 99.4%Free shipping
- NIB 2 GANG 30273 OUTLET BOX EXTENTION OLD # B2-EXOpens in a new window or tabNew – Open box$14.95premiumplc (21,135) 100%Free 2-3 day shipping
- 8-PK 59351-1/2 UTILITY Electrical HANDY BOX EXTENSION RING NEW 4SSLE-1/2Opens in a new window or tabBrand New$19.95Save up to 5% when you buy moreTop Rated PlusFree 2-4 day shippingalimproviste (25,601) 99.9%Free returns
- Steel City 55151 1/2 3/4 4" Octagon Box Extension Ring 1-1/2" Deep Box of 14Opens in a new window or tabNew – Open box$45.99grandpas-basement-ny (1,594) 100%Free 1-4 day shipping
- Steel City 53151 1/2 3/4 Pre-Galvanized Steel Square Box ExtensionOpens in a new window or tabBrand New$14.55mondaychu (2,864) 99.3%Free shippingFree returnsLast one
- 3 Pack Weatherproof Electrical Connection Box ,Extension Cord Safety Cover BlackOpens in a new window or tabBrand New$16.99Top Rated Pluscostechus (25,725) 99.3%Free shippingFree returns
- Wiremold V5737A Extension Box Open Base, Ivory, 5-1/2"L (Pack of 5)Opens in a new window or tabBrand New$25.00jusrutl50 (25) 100%+$13.65 shipping
- Bell 6-Outlet 3/4 In. NPT Die-Cast Aluminum Weatherproof Outdoor Box ExtensionOpens in a new window or tabBrand New$17.98simsupply (133,518) 98.5%List price: $20.99 14% offFree shipping
- Legrand Wirelmold V5739A Extension Box Open Base 6 3/8" (162mm)Opens in a new window or tabBrand New$22.50ripplestix (1,355) 99.4%Free shipping
- 1-Gang 3/4 in. Electrical Receptacle Box Extension Ring 5-PackOpens in a new window or tabBrand New$10.63flashdealshop (3,374) 99%Free shipping15 sold
- 53151-1/2 Steel City 4" Square Box Extension 1-1/2" Deep 12x 1/2" Knockouts NOSOpens in a new window or tabNew – Open box$7.49gallowayindustrialsupplyco (2,043) 99.5%Free shipping
- 531511/23/4 STEEL-CITY 4-INCH PRE-GALVANIZED STEEL SQUARE BOX EXTENSION RING 1-1Opens in a new window or tabBrand New$2.99Save up to 10% when you buy moreTop Rated Plus+$10.59 shippingfittingsproelectricstore (2,695) 100%Free returnsLast one
- L21-30P to 3x L6-30R Splitter Cord 10 ft, 20A/208V 12 AWG - Iron Box IBX-2115Opens in a new window or tabBrand New$131.99iron-box-electric (10,763) 98.8%Free shipping67 sold
- For Ford Mustang 2015-17 HN Style Matte Rear Bumper Diffuser W/Corner ExtensionOpens in a new window or tabBrand New$119.99best_queenstore (852) 93.7%Free shippingAlmost gone9 sold
- box of remy hair extensions humanOpens in a new window or tabNew without tags$300.00marcsc39 (0) 0%+$10.00 shipping
- Snow + Sun Joe | EcoSharp Lithium-Ion Battery | 24-Volt | 4.0-Ah (Open Box)Opens in a new window or tabNew (Other)$34.99sjm_recommerce (8,840) 98.2%Free shippingFree returns163 sold
- Box Extension Ring Steel with 1/2" Knockouts x 4" x 2-1/8" x 1-7/8" DeepOpens in a new window or tabNew – Open box$1.96Top Rated PlusWas: $6.33 69% offfsasllc (188,730) 99.3%+$4.95 shippingFree returns
- Steel City 73151 1234 RD, Square Box Extension Ring, 73151 1/2 & 3/4 Red, 1 PCOpens in a new window or tabNew – Open box$8.00welchfamilymarketing (44) 100%+$6.00 shipping
- Switch Box Extension 3"x2"x7/8" with screwsOpens in a new window or tabBrand New$11.00ksnsurplus (42) 100%+$8.50 shipping
- Steel City 73151 Extension BoxOpens in a new window or tabNew – Open box$4.75centralsurplus (17,108) 99.6%+$8.91 shipping
- Raco #976 Add-A-Depth Extention Ring,No 976, Raco IncorporatedOpens in a new window or tabBrand New$11.20Save up to 5% when you buy moreList price: $14.45 22% offpromax_supply (381,660) 97.9%Free shipping
- STEEL CITY 53151-1/2, 4'' Square, 1 1/2 Deep, Extension Ring BoxOpens in a new window or tabBrand New$149.99hydratech (8) 100%Free shipping
- NEMA L14-20 Extension Cord - 10 ft, 20A 125/250V 12 AWG - Iron Box # IBX-4805-10Opens in a new window or tabBrand New$54.75iron-box-electric (10,763) 98.8%Free 1-4 day shipping
- NEMA L6-30 Extension Cord - 10 ft, 30A/250V 10 AWG - Iron Box # IBX-5803-10Opens in a new window or tabBrand New$58.21iron-box-electric (10,763) 98.8%Free 2-4 day shipping
- TP428 Crouse-Hinds Cooper 4" Square Box Extension 1 1/2" Deep 1/2" 3/4" KnockoutOpens in a new window or tabNew – Open box$3.52Top Rated Plusexcessexpressllc (12,513) 99.8%+$4.65 shippingFree returns
- 3 Pack Weatherproof Electrical Connection Box ,Extension Cord Safety Cover GreenOpens in a new window or tabBrand New$16.99Top Rated Pluscostechus (25,725) 99.3%Free shippingFree returns
- 71695K42 Steel Extension Ring, 4" Square, 1-1/2" Deep, for Steel Outlet BoxOpens in a new window or tabNew – Open box$2.95componentcentralinc (13,418) 98.8%+$9.00 shipping
- 5406-0 Hubbell Weatherproof ExtensionOpens in a new window or tabBrand New$10.66Save up to 20% when you buy moreWas: $13.33 20% offwilson-distributions (1,832) 99.6%Free shipping
- 1-Gang 3/4 In. Electrical Receptacle Box Extension Ring 5-PackOpens in a new window or tabBrand New$12.31storefrontmiami (2,753) 96.1%Was: $13.10 6% offFree shipping
- Appleton Steel Square Box Extension Ring USIPOpens in a new window or tabPre-Owned$2.00imssupply (11,321) 98.3%+$12.45 shipping
- Bowers 4-S-WR-1/2 Square Thru-Box Wall Extension Rings 4" Square, 1-1/2" DeepOpens in a new window or tabNew – Open box$9.99idoovad (26,643) 99.9%Free shipping
- HUBBELL 5406-0 Outdoor Box Extension Bell Outdoor Box Of 25Opens in a new window or tabBrand New$49.9520% off 3+ with coupondeanridner (3,909) 100%+$16.70 shipping
- Bell Weatherproof Box Extension 5407-0Opens in a new window or tabNew – Open box$6.69Save up to 40% when you buy moreWas: $21.59 69% offTop Rated Plusfsasllc (188,730) 99.3%+$4.95 shippingFree returns
- New ListingRed Dot Box Extension 4 Hole 1/2” RIHE41 S121E zatOpens in a new window or tabBrand New$6.62click-itz (2,104) 100%Was: $6.97 5% off+$8.60 shipping
- STEEL CITY 73151 1/2" x 3/4" Square Extension Ring (NEW).Opens in a new window or tabBrand New$4.50cjsksale (1,028) 100%+$6.65 shipping
- 4X4 Box 1 1/4" Plaster Ring Aluminum Die Cast Extension Lot of 7Opens in a new window or tabNew – Open box$12.00Top Rated Plusbashort (10,086) 100%+$6.77 shippingFree returns
- 2 Pcs 4 In. Round Pan Box Extension Ring 1/2 In. Deep Zinc Plated Steel Used ToOpens in a new window or tabBrand New$36.16suchsriw-0 (910) 99.2%Free shippingFree returns
- Southwire 4 In. x 4 In. x 1-1/2 In. Octagon Box Extension 55151-1/2-UPCOpens in a new window or tabBrand New$11.16simsupply (133,518) 98.5%List price: $12.99 14% offFree shipping
- Raco 128 15.5 cu. in. Steel Extension Ring 4 H x 4 W x 1.5 D in.Opens in a new window or tabBrand New$9.51Save up to 12% when you buy moreList price: $11.41 17% offmax_warehouse (348,970) 99%Free 1-3 day shippingFree returns
- Steel City Square Box Extension Ring Pre-Galvanized Steel 1/2" and 3/4" KnockoutOpens in a new window or tabNew – Open box$3.06Save up to 40% when you buy moreWas: $9.87 69% offwsybllc (35,327) 99.2%+$4.95 shippingFree returns
- Single Gang Box Extension Steel City T & B 25051 *NOSOpens in a new window or tabNew – Open box$4.00okeeassociatedsvcs2014 (1,708) 100%+$5.95 shipping
- Raco Steel Gray Octagon Shape 11.8 cu. in. Capacity Extension Ring 3.5 Dia. x 3-Opens in a new window or tabBrand New$11.01Save up to 10% when you buy moreList price: $13.21 17% offmax_warehouse (348,970) 99%Free 1-3 day shippingFree returns
- Raco #8201 4x1-1/2D SQ Extention Ring,No 8201, Raco IncorporatedOpens in a new window or tabBrand New$10.90Save up to 5% when you buy moreList price: $14.06 22% offpromax_supply (381,660) 97.9%Free shipping
- NEW THOMAS&BETTS PERFECT LINE ET11-22 EXTENSION BOX 1 1/4" WITH 3 PLUGS GRAYOpens in a new window or tabNew – Open box$11.95garestoration (69,199) 99.7%Free 2-3 day shipping
- RACO 250, Square Outlet Box Extension Ring, 4-11/16" Drawn, 1-1/2" Deep, 1 PCOpens in a new window or tabNew – Open box$4.98aimee8541 (28,485) 99.6%+$10.10 shipping
- Made in the U.S.A. Weatherproof Electrical Outlet Box Extension, White, (RB25AWSOpens in a new window or tabBrand New$11.86prime_shop_360 (26) 93.3%Free shippingFree returnsLast one
- BWF All Weather Four 1/2” Hole Round Box Extension. EX-5VOpens in a new window or tabBrand New$16.95clocks_ticking (5,204) 100%+$5.95 shipping
- Legrand Single Gang Extension Box White 41846-BW5-RC-120913Opens in a new window or tabNew – Open box$3.75Save up to 40% when you buy moreWas: $12.11 69% offwsybllc (35,327) 99.2%+$4.95 shippingFree returns
- RANDL N-54034 LV DEVICE BOX EXTENSION RING, 3/4" RAISE, 1/2" DEEP, 5S TO 4"Opens in a new window or tabBrand New$5.50Save up to 7% when you buy moretoomanyamps (29,508) 99.5%Free shipping
- ABB 53151-1234RD Box Extension Ring 4X 1-1/2" Deep 1/2" & 3/4" Knockouts REDOpens in a new window or tabNew – Open box$170.99expertbreaker09 (12,458) 99.8%Was: $189.99 10% offFree shipping
- ReceptXtenders 1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack)Opens in a new window or tabBrand New$11.59the.real.deal2016 (92,130) 98.4%Free shippingFree returnsAlmost gone11 sold
- RANDL N-54114 LV DEVICE BOX EXTENSION RING, 1-1/4" RAISE, 5" SQUARE TO 4"Opens in a new window or tabBrand New$6.50Save up to 7% when you buy moretoomanyamps (29,508) 99.5%Free shipping
- Box Of 4 Iberville BC1110R Utility Box Extension Ring 4in X 2-3/8in X 1-7/8inOpens in a new window or tabNew – Open box$41.12Top Rated Plusnri-industrial (110,021) 99.9%Free 4 day shippingFree returns
- Bell Outdoor Extnsion Box,Alum,For 1-Gang Elctrcl Box 5406-0 Bell Outdoor 5406-0Opens in a new window or tabBrand New$10.33simsupply (133,518) 98.5%List price: $11.99 14% offFree shipping
- Bell Outdoors 5407-0 Two-Gang Box Extension Factory Sealed PackageOpens in a new window or tabBrand New$18.22Save up to 20% when you buy moreWas: $22.77 20% offwilson-distributions (1,832) 99.6%Free shipping
- Utility Box Extension Ring,No 653, Raco IncorporatedOpens in a new window or tabBrand New$9.82Save up to 5% when you buy moreList price: $13.80 29% offpromax_supply (381,660) 97.9%Free shipping
- New Legrand Wiremold 2337A Plastic NM Ivory Round Box Extension 2300 5-5/8”Opens in a new window or tabBrand New$7.80ddwoodlee (18,314) 99.2%+$6.95 shippingFree returns
- 8ft V Shaped Board Corner Protector Extension Handle V Edge Guards HandleOpens in a new window or tabBrand New$49.99Save up to 10% when you buy moremytee_products (26,986) 99.2%Free 2-3 day shipping115 sold
- NEMA L6-30 Extension Cord - 30A/250V 10 AWG - Iron Box # IBX-5803-XXOpens in a new window or tabBrand New$41.23 to $127.26iron-box-electric (10,763) 98.8%Free shipping
- Items Per Page