36,000+ results for extension box
- ABB Teach Pendant Extension Cable 679100001R *New No Box*Opens in a new window or tabNew – Open box$149.95Top Rated Pluscncsalvage11 (4,440) 100%+$17.07 shippingFree returns
- 25 pieces 4" Octagon Box Extension Rings Steel City NEWOpens in a new window or tabBrand New$52.00pratt2905 (1,787) 100%Free shippingAlmost gone11 sold
- New ListingMagnum Energy Panel Extension Box MPXS175-30D-R solarOpens in a new window or tabBrand New$200.00rust23 (696) 100%0 bids · Time left6d 23h left (Wed, 05:25 PM)+$136.48 shipping
- 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 (36,561) 97.9%+$5.99 shipping913 sold
- Waterproof Electrical Connection Box Outdoor Weatherproof Extension Cord BoxOpens in a new window or tabBrand New$24.99Save up to 15% when you buy morefcxkj001 (3,312) 99.3%Free shipping
- Lian Li Strimer Plus V2 12VHPWR to 3 x 8 PIN 335 mm Extension New / Open BoxOpens in a new window or tabOpen Box$34.95Save up to 10% when you buy moreaceofparts10 (131,466) 98.8%Free shippingLast one2 watchers
- 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 shippingalimproviste (25,450) 99.9%Free 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 (23) 100%+$13.65 shipping
- 3 Port Cigarette Lighter Adapter Outlet Extension Box 12V DC 15AOpens in a new window or tabBrand New$7.50truemods (38,298) 99.8%Free shipping2,739 sold
- 4" x 1-1/2" Deep Square Box Extension Ring w/ 1/2" KnockoutsOpens in a new window or tabNew – Open box$2.99Save up to 25% when you buy morediversifiedsystems (26) 96.4%+$8.45 shipping
- Steel City 73171 1/2 3/4, Square Box Extension Ring, 1/2 & 3/4, 1 PCOpens in a new window or tabBrand New$13.69Top Rated Plussurpluselectricalconnectionsllc (1,307) 99.4%Free shippingFree returns
- 1-Gang 3/4 in. Electrical Receptacle Box Extension Ring 5-PackOpens in a new window or tabBrand New$11.11flashdealshop (3,136) 98.8%Free shipping12 sold
- 18 Switch Box Extension 3" x 2" x 7/8" with 1.25” Screws Thomas Betts SBEX-25ROpens in a new window or tabBrand New$16.00Top Rated PlusWas: $20.00 20% offmikers47_resell (1,425) 100%+$5.81 shippingFree returns
- Electrical Receptacle Box Extension Ring, 1-Gang, 1/2 inch, Pack of 5Opens in a new window or tabBrand New$13.38ecomsavers (2,081) 99.1%Free shippingFree returns
- WIREMOLD Extension Box V5739A 6 3/8" Diameter NEWOpens in a new window or tabBrand New$22.50theelectricityman (491) 100%Free 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
- Electrical Power Outlet Box Extender Kit - Single Gang Box Extender - 5 PackOpens in a new window or tabBrand New$14.88Save up to 20% when you buy moregeosat-electronics (114) 88.9%Free 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 (12,463) 99.8%+$4.65 shippingFree returns26 sold
- 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 (348,118) 99%Free 4 day shippingFree returns
- Red Dot IHE ET1-PL Box Extension New QTY of 3 eachOpens in a new window or tabBrand New$5.00geemy (904) 100%+$14.25 shipping13 sold
- Steel City 55151 1/2 3/4, Octagon Box Extension Ring, 4 Oct Ext Ring,Stl, 1 PCOpens in a new window or tabBrand New$7.65Top Rated Plussurpluselectricalconnectionsllc (1,307) 99.4%Free shippingFree returns
- STEEL CITY 53151-1/2, 4'' Square, 1 1/2 Deep, Extension Ring BoxOpens in a new window or tabBrand New$149.99hydratech (6) 100%Free 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 (26,592) 99.9%Free shipping
- Thomas & Betts SBEX Pre-Galvanized 1-Gang Adjustable Switch Box Extension 7/8Opens in a new window or tabBrand New$10.00krn2003 (231) 98.4%+$6.00 shipping
- Raco 130 Extension Ring,Octagon,15.5 Cu. In.Opens in a new window or tabFree Shipping on orders over $75Brand New$3.15zorotools (1,181,318) 99.5%+$5.00 shippingFree returns
- 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$11.01max_warehouse (348,118) 99%List price: $13.03 16% offFree 4 day 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 (13,376) 98.7%+$9.00 shipping
- Lot of 3 Raco 653 Handy Box Extension Knockouts #140G48PR7-CIOpens in a new window or tabBrand New$16.99tpmachinery (12,419) 99.1%Free 4 day shipping
- Commercial Electric Weatherproof Extension Box Cast Metal 2-Gang Gray 574292Opens in a new window or tabNew – Open box$19.57wsybllc (34,530) 99.2%Was: $27.95 30% offFree 4 day shippingFree returns
- 1.5x4 Inch Electrical Extension box 27PackOpens in a new window or tabBrand New$92.45palouse_trading_company (442) 100%Free shippingBenefits charity
- 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 (1,139) 99.3%+$22.16 shipping
- New ListingCommercial Electric Weatherproof Extension Box Cast Metal 2-Gang Gray 574292Opens in a new window or tabBrand New$19.99breiterplanetsolardistributors (83) 98.8%Free shipping
- Raco 262 Extension Ring,Square,43 Cu InOpens in a new window or tabFree Shipping on orders over $75Brand New$7.29zorotools (1,181,318) 99.5%+$5.00 shippingFree returns
- 25 Steel City 55151 — 1/2”-3/4”, 4 x 1-1/2” Oct Box Extension RingOpens in a new window or tabBrand New$59.99Save up to 15% when you buy morebjktz1 (8,541) 100%Free 4 day shipping
- Mono Systmes Snapmark Deep Extension Box/ Steel - #SM5751AOpens in a new window or tabBrand New$13.90manegm.2012 (521) 99.5%Free shipping
- Steel City # 73151 4"11/16 Square Extension 1/2 3/4 knockoutOpens in a new window or tabBrand New$5.50hallindsvc (2,669) 100%+$8.60 shipping
- Wiremold 5737 Buff Extension Box Open Base NOS - New & SealedOpens in a new window or tabBrand New$13.00Top Rated Plussundown_6 (869) 100%Free 4 day shippingFree returns
- Steel City 55151 — 1/2”-3/4”, 4 x 1-1/2” Oct Box Extension Ring, 1 Lot (25) NOSOpens in a new window or tabNew – Open box$63.00dwacu8502.8j2xmu0 (51) 100%Free shipping
- New In Box SCHNEIDER TSXMRPP128K SRAM Application Memory ExtensionOpens in a new window or tabBrand New$417.94smarkup (42,151) 98.7%Free shippingFree returns
- Mono Systmes Snapmark Deep Extension Box/ Steel - #SM5751AOpens in a new window or tabPre-Owned$9.00handydandymaterials (9) 100%+$3.84 shipping
- Wiremold V5751-3 Flush Type Extension Adapter 3 Gang IvoryOpens in a new window or tabBrand New$38.99desertdeals85 (71) 100%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 (101,979) 99.4%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 (29,484) 99.5%Free shipping
- Bell 6-Outlet 3/4 In. NPT Die-Cast Aluminum Weatherproof Outdoor Box ExtensionOpens in a new window or tabBrand New$17.98simsupply (133,230) 98.4%List price: $20.99 14% offFree shipping
- Randl Industries D-51G000 5” Square X Single Gang Flat Extension Ring ~New~Opens in a new window or tabNew – Open box$3.99Top Rated Plusampdind19 (1,678) 99.7%+$5.90 shippingFree returns
- SE450S Weatherproof Box Extension 1-Gang 4 1/2-Inch Outlets GrayOpens in a new window or tabBrand New$18.00mape9134 (695) 99.6%Free shipping
- Lot of 5 Wiremold 5737 Buff Extension Box Open Base.Opens in a new window or tabNew – Open box$19.90manegm.2012 (521) 99.5%+$10.90 shipping
- Carlon Non-Metallic Multi-Gang Outlet Box Extension B1MGEXT-2 Pack of 10 CarlonOpens in a new window or tabBrand New$80.47simsupply (133,230) 98.4%List price: $80.99 1% offFree 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 (2,679) 100%Free returns
- RACO 5412-0 FLANGED OUTLET WP EXTENSION BOX W/(2) 1/2" THREADED HUBSOpens in a new window or tabBrand New$22.95ramfan083 (2,554) 100%+$9.00 shipping
- RED DOT IHEF6S2-1 S127E WEATHERPROOF FLANGED EXTENSION RING, 1-GANG, (6) 1/2" KOOpens in a new window or tabBrand New$12.50Save up to 7% when you buy moretoomanyamps (29,484) 99.5%Free shipping
- Panduit Single Gang Extension Junction Box JBP1EEI Qty 4Opens in a new window or tabNew – Open box$40.00texasmetalfab1227 (826) 100%Free shipping
- Appleton Steel Square Box Extension Ring USIPOpens in a new window or tabPre-Owned$2.00imssupply (11,222) 98.5%+$12.45 shipping
- Square Box Extension 4"x4" E4512Opens in a new window or tabNew – Open box$4.67Save up to 10% when you buy moreWas: $9.34 50% offlfdsllc (16,683) 99.4%+$4.95 shippingFree returns
- Steel City 4" Square Extension Ring Lot Of 14Opens in a new window or tabNew – Open box$35.00skyclimbers (1,880) 98.9%+$15.00 shipping
- Electrical Extension Cord Outdoor Safety Cover,Waterproof Sealed Junction BoxOpens in a new window or tabBrand New$12.45Buy 1, get 1 20% off with couponWas: $13.39 7% offajduey (546) 98.9%Free 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 (2,466) 99.4%+$6.65 shipping84 sold
- 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 (29,484) 99.5%Free shipping
- Red Dot Box Extension 4 Hole 1/2” RIHE41 S121E. NEWOpens in a new window or tabBrand New$19.90manegm.2012 (521) 99.5%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 (3,891) 100%+$16.70 shipping
- 12 lot electrician lo-voltage mounting plate, gem box extension, device supportOpens in a new window or tabNew – Open box$12.50cliffot (3,438) 98.8%+$6.70 shipping
- TayMac SE450S 4 Hole .5 in. Extension Ring Weather Proof Box ExtensionOpens in a new window or tabBrand New$13.20Save up to 30% when you buy moreriversidebreakers (3,023) 99.5%Free shipping
- Mulberry 30229 Weatherproof Box Extension FNFPOpens in a new window or tabBrand New$6.90imssupply (11,222) 98.5%+$12.97 shipping
- 1-Gang 3/4 in. Electrical Receptacle Box Extension Ring 5-PackOpens in a new window or tabBrand New$11.11lowcostshops (3,043) 98.2%Free shippingLast one
- 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 (69,094) 99.7%Free 4 day shipping
- Steel City 73151 Extension BoxOpens in a new window or tabNew – Open box$4.75centralsurplus (17,098) 99.6%+$8.91 shipping
- RANDL N-54012 LOW VOLTAGE DEVICE BOX EXTENSION RING, 1/2" RAISE, 5" SQUARE TO 4"Opens in a new window or tabBrand New$5.50Save up to 7% when you buy moretoomanyamps (29,484) 99.5%Free shipping
- Wiremold V5737 Extension Box Open Base, Colorr-Buff (Pack of 5)Opens in a new window or tabNew – Open box$34.99biggerjim1941 (4,087) 100%Free shipping
- ROSEMOUNT 23550-00 Junction Box W/ Cable Extension Board NEW, 30 Day Wty (P3)Opens in a new window or tabNew – Open box$50.00jodbenjami_0 (862) 100%+$24.75 shipping
- WIREMOLD EXTENSION BOX, OPEN BASE 4 3/4" (121MM)DIAMETER V5737 LEGRANDOpens in a new window or tabBrand New$27.99Top Rated Plussosupply (719) 100%Free shippingFree returns
- ROSEMOUNT 23550-00 Junction Box W/ Cable Extension Board NEW Lot/1Opens in a new window or tabNew – Open box$191.99arrowindustrialsales (10,430) 100%Free 3 day shipping
- Beckhoff IE1001-0000 Digital Input Link Extension Box 8-Channel 24VDC M8Opens in a new window or tabPre-Owned$58.49Top Rated PlusWas: $64.99 10% offmaverickindustrialsales (18,351) 99.9%Free 4 day shippingFree returns
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