2,300+ results for wire extension box
- NEW Siemens WMEX4U Outdoor Modular Extension Box 1200 Amps 240VAC 3 Phase 4 WireOpens in a new window or tabNew – Open box$372.99Save up to 10% when you buy morevbindustrialsupply (17,747) 99.9%Free shipping
- NEMA 6-20 Extension Power Cord - 20A/250V 12 AWG - Iron Box # IBX-6153Opens in a new window or tabBrand New$13.62 to $102.16iron-box-electric (10,761) 98.7%Free 2-4 day shipping
- Orbit 5SDB-MKO-EXT Square Extension Welded Box 4-11/16 x 2-1/8" Deep - Box of 24Opens in a new window or tabBrand New$150.00metallogics (8,338) 99.6%Was: $250.00 40% offFree 2-4 day 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 (10,761) 98.7%Free 2-4 day shipping
- Wire Mold Extension Box Fitting, 5-1/2 in L x 1 in W x 5-1/2 in H, Steel, TanOpens in a new window or tabBrand New$14.99thriftfair (698) 99.6%+$3.99 shipping
- Legrand Wirelmold V5739A Extension Box Open Base 6 3/8" (162mm)Opens in a new window or tabBrand New$22.50ripplestix (1,351) 99.4%Free shipping
- STEEL CITY 59361 1/2; ELECTRICAL BOX EXTENSION; 1 GANG; LOT OF 10Opens in a new window or tabNew – Open box$34.95farmhansuppl_0 (2,850) 99.4%Free shipping
- STEEL CITY 4-SW-EXT-SPL Square Box Extension Ring 4" Square x 1-1/2" DeepOpens in a new window or tabBrand New$13.40Save up to 25% when you buy moreb-scompany (2,353) 99.7%Free shipping
- SOCKiTBOX Weatherproof Connection Box SMALL for Extension Cords Timers Single SoOpens in a new window or tabBrand New$18.40now-liquidation (5,629) 99.7%Was: $20.00 8% offFree 2-3 day shipping
- Carlon Non-Metallic Multi-Gang Outlet Box Extension B1MGEXT-2 Carlon B1MGEXT-2Opens in a new window or tabBrand New$8.00Extra 27% off with couponneedfulthings3262 (3,208) 100%+$5.55 shipping
- Southwire Drawn 4 In. x 4 In. Square Box Extension 53151-S-UPC SouthwireOpens in a new window or tabBrand New$13.68simsupply (133,466) 98.5%List price: $14.99 9% offFree 2-4 day shipping
- Mono Systems SnapMark ROUND Extension Box/ Steel - #SM5751AOpens in a new window or tabBrand New$12.95wwhe.7 (9,983) 99.9%+$6.70 shipping
- Carlon Non-Metallic Multi-Gang Outlet Box Extension B1MGEXT-2 Pack of 10 CarlonOpens in a new window or tabBrand New$80.47simsupply (133,466) 98.5%List price: $80.99 1% offFree 2-3 day shipping
- NEMA L14-30 Extension Cord - 100 ft, 30A 125/250V 10 AWG - Iron Box # IBX-5805Opens in a new window or tabBrand New$460.17iron-box-electric (10,761) 98.7%Free 2-4 day shipping171 sold
- 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 (10,761) 98.7%Free 2-4 day shipping
- NEMA 5-20 Extension Cord - 20A/125V 12 AWG - Iron Box # IBX-1010Opens in a new window or tabBrand New$16.95 to $116.14iron-box-electric (10,761) 98.7%Free 2-4 day shipping
- Southwire 2-1/8 In. x 4 In. x 1-7/8 In. Outlet Box Extension G19281-E-UPCOpens in a new window or tabBrand New$11.06simsupply (133,466) 98.5%List price: $12.99 15% offFree 2-4 day shipping
- Mulberry 9.3 Cubic In. 30229 1-GANG WEATHER-PROOF BOX EXTENSIONOpens in a new window or tabBrand New$9.97tycondll (55) 100%+$6.00 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 (115) 89.2%Free shipping
- Southwire Welded 4 In. x 4 In. Square Extension Ring 53151-SUB-UPC SouthwireOpens in a new window or tabBrand New$17.93simsupply (133,466) 98.5%List price: $19.99 10% offFree 2-3 day shipping
- 1PCS Weatherproof Electrical Connection Box, Outdoor Electrical Box,WeatherproofOpens in a new window or tabBrand New$20.99bbentulan100 (62) 96.7%Free shippingFree returns
- Lone Star Cords Extension Cord Connection Box, Outdoor Plug Cover for ElectricalOpens in a new window or tabBrand New$28.99papa_bears_loots (1,870) 100%Free shipping
- Electrical Power Outlet Box Extender Kit - Single Gang Box Extender - 5 PackOpens in a new window or tabBrand New$16.99Save up to 20% when you buy moregeosat-electronics (115) 89.2%Free shipping
- Wiremold Legrand V5751 Flush Extension Adaptor Box IVORY Lot Of 4 - NEWOpens in a new window or tabNew – Open box$22.00theelectricityman (497) 100%+$6.00 shipping
- Topaz 1/2" 4 Hole Single Gang Weatherproof extension Box, WB145ext Gray flangedOpens in a new window or tabBrand New$9.99dasmasales (2,456) 97.7%Free shipping
- IP68 Waterproof Junction Box 3 Pin Waterproof Extension Cord Connector for Ca...Opens in a new window or tabBrand New$17.33orelgree12 (652) 100%Free 2-3 day 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$36.00suchsriw-0 (902) 99.2%Free shippingFree returns
- 5 HUBBELL WIRING SYSTEMS ~ 500 / 750 SERIES BLANK EXTENSION BOX PART # 57601VOpens in a new window or tabBrand New$33.60pilot-mjap (12,008) 100%Was: $48.00 30% off+$10.61 shippingFree returns
- NEMA L5-20 Extension Cord - 20A/125V 12 AWG - Iron Box # IBX-4801Opens in a new window or tabBrand New$46.95 to $175.63iron-box-electric (10,761) 98.7%Free 2-4 day shipping
- NEMA 6-20 Extension Power Cord - 50 ft, 20A/250V 12 AWG - Iron Box # IBX-6153Opens in a new window or tabBrand New$79.99iron-box-electric (10,761) 98.7%Free 2-3 day shipping225 sold
- NEMA L14-30 Extension Cord - 75 ft, 30A 125/250V 10 AWG - Iron Box # IBX-5805-75Opens in a new window or tabBrand New$351.55iron-box-electric (10,761) 98.7%Free 2-4 day shipping202 sold
- NEMA L14-20 Extension Cord - 25 ft, 20A 125/250V 12 AWG - Iron Box # IBX-4805-25Opens in a new window or tabBrand New$136.84iron-box-electric (10,761) 98.7%Free 1-4 day shipping62 sold
- Commercial Electric WDE000G Gray 2-Gang Weatherproof Extension Box Cast MetalOpens in a new window or tabBrand New$23.07gregory.281 (42,073) 99.9%+$4.76 shippingFree returns
- DS-3 Siemens Modular Extension Box DS3 1200A 1 Phase 3 WireOpens in a new window or tabNew – Open box$295.00talrae14 (897) 100%Free shipping
- Wiremold V5751-3 Flush Type Extension Adapter 3 Gang IvoryOpens in a new window or tabBrand New$38.99desertdeals85 (73) 100%Free shipping
- Wiremold Legrand V5751 Flush Extension Adaptor Box IVORY New In Package QTY 4Opens in a new window or tabBrand New$20.00rocketpowered1 (15) 100%+$6.33 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 (18,298) 99.2%+$6.95 shippingFree returns
- 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 (10,761) 98.7%Free 2-4 day shipping
- NEMA L14-20 Extension Cord - 5 ft, 20A 125/250V 12 AWG - Iron Box # IBX-4805-05Opens in a new window or tabBrand New$38.48iron-box-electric (10,761) 98.7%Free 2-4 day shipping
- Wiremold 2348S/51 Shallow Device/Extension Box, Ivory, 14pc LotOpens in a new window or tabBrand New$48.95skycraftparts (15,041) 99.1%+$14.50 shipping
- 1-Gang Metallic Weatherproof Extension Ring with (4) 1/2 In. Holes, GrayOpens in a new window or tabBrand New$12.55watchandcharm (389) 99.6%Was: $13.21 5% offFree 4 day shipping
- , Bronze Sigma Engineered Solutions, 14005BR 1/2-Inch Weatherproof Closure Pl...Opens in a new window or tabBrand New$4.34ilana-2581 (392) 99.5%Free shippingFree returns
- Raco 8190 Steel 21 cu. in. Capacity 2-Gang Welded Square Electrical Box 4 in.Opens in a new window or tabBrand New$10.76Save up to 5% when you buy moreList price: $12.91 17% offmax_warehouse (348,764) 99%Free 2-4 day shippingFree returns
- Southwire 4 In. x 4 In. x 1-1/2 In. Steel Octagon Extension Ring 55151-1/2Opens in a new window or tabBrand New$9.64simsupply (133,466) 98.5%List price: $10.99 12% offFree 2-4 day shipping
- (LOT Of 3) Mulberry T-11 1" Outdoor Box Extension 30229 1-GANG WEATHER-PROOFOpens in a new window or tabBrand New$17.99bayeletronics (4,580) 93.8%+$1.99 shipping
- 2 Pcs, 4 in. Round Pan Box Extension Ring, 1/2 in. Deep, Zinc Plated Steel Us...Opens in a new window or tabBrand New$34.05wealthquest (1,702) 99.6%Free 2-4 day shipping
- Outdoor Electrical Box,Ip54 Waterproof Outdoor Outlet Covers Weatherproof ExtensOpens in a new window or tabBrand New$38.99bbentulan100 (62) 96.7%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 (133,466) 98.5%List price: $12.99 14% offFree 2-4 day shipping
- Wiremold 2348S/51_400/800/2300/2300D Shallow Device/Extension Box Fitting, IvoryOpens in a new window or tabBrand New$5.49shelby1013 (13) 100%+$5.30 shippingfrom Canada
- 20 pack, Steel City 4" x 2-1/8" x 1-7/8" Box Extension Ring 1/2" Knockout 59361Opens in a new window or tabNew – Open box$32.00industrialss (0) 0%+$14.60 shipping
- Heavy-Duty Weatherproof Extension Cord Cover Box - Protects Outdoor ConnectionsOpens in a new window or tabBrand New$27.99Extra 5% off with couponheritageharbormarket (12) 100%Free shippingFree returns
- 2 Pack Junction Box Outdoor Waterproof IP65 2 Way PG9 Electrical Boxes Extens...Opens in a new window or tabBrand New$22.56somon2827 (808) 99.4%Free 2-4 day shippingFree returns
- Electrical Box Outlet Octagonal Extension Metal Concrete 4" x 2-1/2" UsedOpens in a new window or tabPre-Owned$2.99prophetic_dream (2,385) 100%+$8.45 shipping
- Starter Box,No B-5, Wiremold CompanyOpens in a new window or tabBrand New$12.09Save up to 5% when you buy moreList price: $15.60 23% offpromax_supply (381,640) 97.9%Free shipping
- Wiremold RFBA610C4EXT Rfba 6G 10G 4" Circular Extension RingOpens in a new window or tabBrand New$30.00josefredy0608-2009 (196) 100%+$8.00 shipping
- NOS NINE Carlon Non-Metallic PVC Box Extender B1EXT-CRD MADE IN USAOpens in a new window or tabBrand New$11.00dbg3602 (199) 100%+$4.00 shipping
- 10 pack, Steel City 4" x 2-1/8" x 1-7/8" Box Extension Ring 1/2" Knockout 59361Opens in a new window or tabNew – Open box$17.50industrialss (0) 0%+$13.05 shipping
- Raco 8232 Steel 30.3 cu. in. Capacity 2-Gang Welded Square Electrical Box 4 in.Opens in a new window or tabBrand New$11.96Save up to 5% when you buy moreList price: $14.35 17% offmax_warehouse (348,764) 99%Free 2-4 day shippingFree returns
- 1PCS Weatherproof Electrical Connection Box, Outdoor Electrical Box,WeatherproofOpens in a new window or tabBrand New$21.88smqwholesale (624) 97.2%Free shipping
- 1PCS Weatherproof Electrical Connection Box,Outdoor Electrical Box,Weatherpro...Opens in a new window or tabBrand New$23.73amosik-31 (794) 98.7%Free shippingFree returns
- BOX OF 50 RACO 203, Electrical Box Extension Ring, 4" Square, Drawn 1-1/2" DeepOpens in a new window or tabBrand New$100.00herculeswholesale (1,169) 100%+$30.00 shippingLast one
- Steel City 531511234UB 1/2 & 3/4 4"x4" BOX EXTENSION RING, 21ciOpens in a new window or tabBrand New$60.00Save up to 10% when you buy morehomemade_for_you (475) 100%Free shipping
- Electrical Box Outlet Octagonal Extension Metal Concrete 4" x 3" UsedOpens in a new window or tabPre-Owned$2.99prophetic_dream (2,385) 100%+$10.80 shipping
- Siemens/ MURRAY DS4, 1200 Amp, 240 Volt, Extension Box, NEMA 3R,NEW- B, MB64Opens in a new window or tabNew – Open box$250.00electricbarn07 (13,332) 99.8%+$29.99 shipping
- 4 In. H X 1-7/8 In. D Steel Metallic 1-Gang Welded Extention Ring with Eight 1/2Opens in a new window or tabBrand New$6.00storefrontmiami (2,750) 96.1%Was: $6.32 5% offFree shipping
- Steel City Electrical Box Outlet Octagonal Extension Metal Concrete 4" x 3-1/2"Opens in a new window or tabPre-Owned$4.99prophetic_dream (2,385) 100%+$8.45 shipping
- 20/25ft Generator Extension Power Cord Copper Wire L14-30 30 Amp Power Inlet BoxOpens in a new window or tabBrand New$33.99wzho3115 (45,744) 99.6%Was: $39.99 15% offFree 2-3 day shipping
- Wiremold Legrand V5751 Flush Extension Adaptor Box IVORY Pack Of 10 - NEW!Opens in a new window or tabBrand New$55.00kthebull11 (1,509) 100%+$13.15 shippingFree returns
- (Lot Of 4) Wiremold Legrand V5751 Flush Extension Adaptor Box IVORY NewOpens in a new window or tabBrand New$24.00mape9134 (710) 99.6%Free shipping
- RACO 665 HANDY BOX 4" x 2" x 1-7/8" DEEP EXTENSION RINGS (4) with CONDUIT KO'sOpens in a new window or tabBrand New$22.13Save up to 15% when you buy moreWas: $36.88 40% offpaintedpuppies (1,239) 96.9%Free 1-4 day shippingFree returns
- LEX DB-30NA-AQQ-S3 5kw 30amp Power Distribution Box w/ CablesOpens in a new window or tabNew – Open box$799.00sapptowncommercial (201) 100%Free shipping20 watchers
- Connection Box Electrical Box Extension Cord Connection Cover Waterproof BoxOpens in a new window or tabBrand New$57.84Save up to 20% when you buy moreWas: $64.99 11% offcjphygay (55) 96.6%Free shipping
- NEMA L14-30 Extension Cord - 8 ft, 30A 125/250V 10 AWG - Iron Box # IBX-5805-08Opens in a new window or tabBrand New$55.37iron-box-electric (10,761) 98.7%Free 2-3 day shipping172 sold
- Generator Extension Cord Wire w/ Power Inlet Box 15 FEET 30 Amp NEMA L14-30Opens in a new window or tabBrand New$62.92Save up to 8% when you buy moreTop Rated PlusFree shippinglabworkautocom (15,493) 99.3%Free returns
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