Extension Junction Box(360)
Uses item details. Price when purchased online
VEVOR Outdoor Electrical Junction Box, 20.87 x 16.92 x 7.87 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof $78.90

Sponsored
$7890
current price $78.90VEVOR Outdoor Electrical Junction Box, 20.87 x 16.92 x 7.87 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof
VEVOR Outdoor Electrical Junction Box, 13.78 x 9.84 x 5.90 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof $38.90 Was $44.35

Sponsored
Now$3890
current price Now $38.90, Was $44.35$44.35
VEVOR Outdoor Electrical Junction Box, 13.78 x 9.84 x 5.90 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof
34.7 out of 5 Stars. 3 reviews
VEVOR Outdoor Electrical Junction Box, 16.93 x 12.99 x 7.09 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof $50.90

Sponsored
$5090
current price $50.90VEVOR Outdoor Electrical Junction Box, 16.93 x 12.99 x 7.09 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof
15 out of 5 Stars. 1 reviews
VEVOR NEMA Steel Enclosure, 12 x 10 x 6'' NEMA 4X Steel Electrical Box, IP66 Waterproof & Dustproof, Outdoor/Indoor Electrical Junction Box, with Mounting Plate $48.90

Sponsored
$4890
current price $48.90VEVOR NEMA Steel Enclosure, 12 x 10 x 6'' NEMA 4X Steel Electrical Box, IP66 Waterproof & Dustproof, Outdoor/Indoor Electrical Junction Box, with Mounting Plate
Best seller Hyper Tough PVC One-gang Box Receptacle Switch/Outlet Electrical Box TD35071Z, 4.25 in X 2.75 in X 2.25 in From $2.24

2 options
Available in additional 2 optionsFrom$224
Hyper Tough PVC One-gang Box Receptacle Switch/Outlet Electrical Box TD35071Z, 4.25 in X 2.75 in X 2.25 in
1284.7 out of 5 Stars. 128 reviews
WynBing 3-Pack Outdoor Extension Cord Connection Box - Weatherproof Safety Junction Box for Secure Outdoor Electrical Connections $21.06

$2106
current price $21.06WynBing 3-Pack Outdoor Extension Cord Connection Box - Weatherproof Safety Junction Box for Secure Outdoor Electrical Connections
VEVOR Outdoor Electrical Junction Box, 13.78 x 9.84 x 5.90 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof $38.90 Was $44.35

Now$3890
current price Now $38.90, Was $44.35$44.35
VEVOR Outdoor Electrical Junction Box, 13.78 x 9.84 x 5.90 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof
34.7 out of 5 Stars. 3 reviews
BESTOYARD Outdoor Junction Box Waterproof White Plastic for Extension Cord Safety $5.86

$586
current price $5.86BESTOYARD Outdoor Junction Box Waterproof White Plastic for Extension Cord Safety
HEANUJJ Black Outdoor Electrical Junction Box with Plastic Cord Protector Cover for Extension Cord Connections $9.71 Was $12.87

Now$971
current price Now $9.71, Was $12.87$12.87
HEANUJJ Black Outdoor Electrical Junction Box with Plastic Cord Protector Cover for Extension Cord Connections
Carlon Non-Metallic Multi-Gang Outlet Box Extension B1MGEXT-2 $12.29 Was $27.29

Now$1229
current price Now $12.29, Was $27.29$27.29
Carlon Non-Metallic Multi-Gang Outlet Box Extension B1MGEXT-2
KFFKFF Steel Electrical Box 24” x 16” x 10” Electrical Enclosure Box, Carbon Steel Hinged Junction Box $123.99 $123.99/ca

Sponsored
$12399
current price $123.99$123.99/ca
KFFKFF Steel Electrical Box 24” x 16” x 10” Electrical Enclosure Box, Carbon Steel Hinged Junction Box
KFFKFF Steel Electrical Box 20” x 16” x 6” Electrical Enclosure Box, Carbon Steel Hinged Junction Box $114.88 $114.88/ca

Sponsored
$11488
current price $114.88$114.88/ca
KFFKFF Steel Electrical Box 20” x 16” x 6” Electrical Enclosure Box, Carbon Steel Hinged Junction Box
Electrical Extension Cord Outdoor Safety Cover Waterproof Sealed Junction Box $13.01

$1301
current price $13.01Electrical Extension Cord Outdoor Safety Cover Waterproof Sealed Junction Box
Rack-A-Tiers Open Splice Junction Box Single UL Listed, One-Piece Junction Box Splice Box. Repair Open Splices, 5 Second Installation, Electrical Junction Box, Wire Junction Box JB400 $12.55

$1255
current price $12.55Rack-A-Tiers Open Splice Junction Box Single UL Listed, One-Piece Junction Box Splice Box. Repair Open Splices, 5 Second Installation, Electrical Junction Box, Wire Junction Box JB400
25 out of 5 Stars. 2 reviews
Commercial Electric WDE000G Gray 2-Gang Weatherproof Extension Box Cast Metal $17.37 Was $21.80

Now$1737
current price Now $17.37, Was $21.80$21.80
Commercial Electric WDE000G Gray 2-Gang Weatherproof Extension Box Cast Metal
Wiremold Box Extension 1 Gang - Rectangle PVC Electrical Box Extension - 4.75" White $22.93

$2293
current price $22.93Wiremold Box Extension 1 Gang - Rectangle PVC Electrical Box Extension - 4.75" White
6 Electric Box Extender,1/2 inch Single Gang Outlet Extension Box $11.80

$1180
current price $11.806 Electric Box Extender,1/2 inch Single Gang Outlet Extension Box
Beaupretty White Durable Outdoor Extension Cord Cover and Waterproof Electrical Junction Box $11.09

$1109
current price $11.09Beaupretty White Durable Outdoor Extension Cord Cover and Waterproof Electrical Junction Box
LULULION White Weatherproof Outdoor Junction Box for Secure Electrical Cord Connections $7.97

$797
current price $7.97LULULION White Weatherproof Outdoor Junction Box for Secure Electrical Cord Connections
Beaupretty Waterproof Outdoor Junction Box with Cover Sturdy Cable Wire Storage Box for Extension Cord Protection $10.25

$1025
current price $10.25Beaupretty Waterproof Outdoor Junction Box with Cover Sturdy Cable Wire Storage Box for Extension Cord Protection
Rollback 10AWG Solar Extension Cable Kit, 30FT Red + 30FT Black Wire with Male and Female Connectors From $13.99

Sponsored
From$1399
10AWG Solar Extension Cable Kit, 30FT Red + 30FT Black Wire with Male and Female Connectors
Weatherproof In-Use Cover with 15 Amp TR/WR Self Test GFCI and Metal Junction Box Kit $28.99

Sponsored
$2899
current price $28.99Weatherproof In-Use Cover with 15 Amp TR/WR Self Test GFCI and Metal Junction Box Kit
Clearance SEWCHICS 2-Pack White Plastic Electrical Junction Boxes for Wiring, Home Electrical Projects and Installations $9.09 Was $10.21

Now$909
current price Now $9.09, Was $10.21$10.21
SEWCHICS 2-Pack White Plastic Electrical Junction Boxes for Wiring, Home Electrical Projects and Installations
Outdoor Electrical Box Large Outdoor Extension Cord Cover Waterproof Weatherproof Connection Box for Outside Power Cord $25.49

$2549
current price $25.49Outdoor Electrical Box Large Outdoor Extension Cord Cover Waterproof Weatherproof Connection Box for Outside Power Cord
TABLZONE Durable Plastic Outdoor Electrical Box Weatherproof Connection for Extension Cords

TABLZONE Durable Plastic Outdoor Electrical Box Weatherproof Connection for Extension Cords
Milisten Outdoor Junction Box Wall Mount Cable Holder Box Weatherproof Electrical Wire Enclosure $11.27 Was $13.89

Now$1127
current price Now $11.27, Was $13.89$13.89
Milisten Outdoor Junction Box Wall Mount Cable Holder Box Weatherproof Electrical Wire Enclosure
TANOM Cord Protector Outdoor Junction Box Waterproof Connection Box Wire Cover Waterproof Junction Box Extension Cord Plastic $11.03 Was $16.30

Now$1103
current price Now $11.03, Was $16.30$16.30
TANOM Cord Protector Outdoor Junction Box Waterproof Connection Box Wire Cover Waterproof Junction Box Extension Cord Plastic
Kekeou Junction Box Cable Connector, IP68 Waterproof, 2 Way Connectors Extension Cord, 22-10 AWG 32A 4-9mm Wire $19.99

$1999
current price $19.99Kekeou Junction Box Cable Connector, IP68 Waterproof, 2 Way Connectors Extension Cord, 22-10 AWG 32A 4-9mm Wire
Beaupretty White Waterproof Electrical Junction Box for Outdoor Cord Protection and Cable Storage $10.05

$1005
current price $10.05Beaupretty White Waterproof Electrical Junction Box for Outdoor Cord Protection and Cable Storage
XGGYA 4-Inch Octagon Extension Box with 1/2" Knockouts and Cover, 1-1/2" Deep, Pre-Galvanized Steel, Electrical Box with Flush Surface Cover for Ceiling and Wall Installation, UL Listed, 1-Pack From $9.99

3 options
Available in additional 3 optionsFrom$999
XGGYA 4-Inch Octagon Extension Box with 1/2" Knockouts and Cover, 1-1/2" Deep, Pre-Galvanized Steel, Electrical Box with Flush Surface Cover for Ceiling and Wall Installation, UL Listed, 1-Pack
VEVOR Steel Electrical Box 12"x 8"x 8" Electrical Enclosure Box, Carbon Steel Hinged Junction Box, IP65 Weatherproof Metal Box, Wall-Mounted Electronic Equipment Enclosure Box with Mounting Plate From $73.90

Sponsored
From$7390
VEVOR Steel Electrical Box 12"x 8"x 8" Electrical Enclosure Box, Carbon Steel Hinged Junction Box, IP65 Weatherproof Metal Box, Wall-Mounted Electronic Equipment Enclosure Box with Mounting Plate
15 out of 5 Stars. 1 reviews
Best seller Restmo Outdoor Electrical Box (11.5x5.2x4 inch), IP54 Waterproof Extension Cord Cover w/6 Cable Entry Ports, Weatherproof Connection Box for Power Strip, Timer, Plug, Holiday Lights, White From $19.99

Sponsored
From$1999
Restmo Outdoor Electrical Box (11.5x5.2x4 inch), IP54 Waterproof Extension Cord Cover w/6 Cable Entry Ports, Weatherproof Connection Box for Power Strip, Timer, Plug, Holiday Lights, White
654.4 out of 5 Stars. 65 reviews
Outdoor Electrical Junction Box, 16.93 x 12.99 x 7.09 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof for Outdoor Electrical Projects $62.09

$6209
current price $62.09Outdoor Electrical Junction Box, 16.93 x 12.99 x 7.09 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof for Outdoor Electrical Projects
Electrical Junction Box, Outdoor Waterproof Box Junction Box with Reserved Holes,ABS Plastic Project Box Power Cord Enclosure for Electronics,2.16x1.37x0.59" inch Waterproof Junction Box,Black

Electrical Junction Box, Outdoor Waterproof Box Junction Box with Reserved Holes,ABS Plastic Project Box Power Cord Enclosure for Electronics,2.16x1.37x0.59" inch Waterproof Junction Box,Black
14 out of 5 Stars. 1 reviews
RENACLIPY Extension Cord Protector Safety Junction Box Plastic Weather Resistant 1Pack $13.25

$1325
current price $13.25RENACLIPY Extension Cord Protector Safety Junction Box Plastic Weather Resistant 1Pack
Mobestech 4Pcs Weatherproof Outdoor Junction Box for Extension Cord and Cable Storage $21.54

$2154
current price $21.54Mobestech 4Pcs Weatherproof Outdoor Junction Box for Extension Cord and Cable Storage
Clearance SeekLGT Outdoor Wire Connector IP68 Waterproof Electrical Cable Joiner Sleeve for Street Light Junction Box and Garden Lighting Extension Cord Splicer Black 1 Count From $2.99
From$299
SeekLGT Outdoor Wire Connector IP68 Waterproof Electrical Cable Joiner Sleeve for Street Light Junction Box and Garden Lighting Extension Cord Splicer Black 1 Count
Solar Junction Box Dual Solar Cable Entry Enclosure with 1ft Cable Extension $19.39

$1939
current price $19.39Solar Junction Box Dual Solar Cable Entry Enclosure with 1ft Cable Extension
VEVOR Outdoor Electrical Junction Box, 16.93 x 12.99 x 7.09 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof $50.90

$5090
current price $50.90VEVOR Outdoor Electrical Junction Box, 16.93 x 12.99 x 7.09 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof
15 out of 5 Stars. 1 reviews
Solar Cable Entry Gland Solar Extension Cord Connector Junction Box for RV/Boat $21.49

$2149
current price $21.49Solar Cable Entry Gland Solar Extension Cord Connector Junction Box for RV/Boat
KFFKFF Exterior Power Junction Box, Dimensions 16.93 x 12.99 x 7.09 inches, Crafted from ABS Plastic, Electrical Storage Box with Swing Cover and Stainless Steel Fastener, IP67 Rated for Dust $50.90

$5090
current price $50.90KFFKFF Exterior Power Junction Box, Dimensions 16.93 x 12.99 x 7.09 inches, Crafted from ABS Plastic, Electrical Storage Box with Swing Cover and Stainless Steel Fastener, IP67 Rated for Dust
Southwire 53151-S-UPC 4 x 4 x 1.5 in. Steel Metallic Square Extension Ring Box $10.04

$1004
current price $10.04Southwire 53151-S-UPC 4 x 4 x 1.5 in. Steel Metallic Square Extension Ring Box
NICEXMAS Nicexmas Black Plastic Junction Box, Secure Cord Cover for Outdoor Use 1Pc $7.80

$780
current price $7.80NICEXMAS Nicexmas Black Plastic Junction Box, Secure Cord Cover for Outdoor Use 1Pc
LOLIPPYY Durable White Outdoor Plastic Junction Box with Cover for Secure Electrical Wire and Cord Storage $11.73

$1173
current price $11.73LOLIPPYY Durable White Outdoor Plastic Junction Box with Cover for Secure Electrical Wire and Cord Storage
Clearance TEHAUX Compact White PVC Junction Box for Reliable Electrical Storage $9.33 Was $10.48

Now$933
current price Now $9.33, Was $10.48$10.48
TEHAUX Compact White PVC Junction Box for Reliable Electrical Storage
OUNONA 1Pc Waterproof Safety Junction Box Black Outdoor Extension Cord Cover for Secure Electrical Connection $7.80 Was $15.65

Now$780
current price Now $7.80, Was $15.65$15.65
OUNONA 1Pc Waterproof Safety Junction Box Black Outdoor Extension Cord Cover for Secure Electrical Connection
OUNONA Black Outdoor Electrical Connection Box, Extension Cord Cover for Secure Wire Junction $9.73

$973
current price $9.73OUNONA Black Outdoor Electrical Connection Box, Extension Cord Cover for Secure Wire Junction
ETHZZLE Waterproof Orange Outdoor Junction Box for Dual Power Line Connection and Cable Protection $8.38

$838
current price $8.38ETHZZLE Waterproof Orange Outdoor Junction Box for Dual Power Line Connection and Cable Protection
Thomas & Betts Drawn Square Box Extension 53151-S - Durable Steel - 4" x 4" $12.00

$1200
current price $12.00Thomas & Betts Drawn Square Box Extension 53151-S - Durable Steel - 4" x 4"
XGGYA 4-Inch Octagon Extension Box with 1/2" Knockouts and Cover, 1-1/2" Deep, Pre-Galvanized Steel, Electrical Box with Flush Surface Cover for Ceiling and Wall Installation, UL Listed, 1-Pack $9.99

$999
current price $9.99XGGYA 4-Inch Octagon Extension Box with 1/2" Knockouts and Cover, 1-1/2" Deep, Pre-Galvanized Steel, Electrical Box with Flush Surface Cover for Ceiling and Wall Installation, UL Listed, 1-Pack
Other options to consider(41)
Popular in Extension Junction Box
Related Products
WEUVEB Outdoor Electrical Distribution Box, Plastic, Compact Design Ideal for High Humidity and Weather-Resistant Use
WEUVEB Outdoor Electrical Distribution Box, Plastic, Compact Design Ideal for High Humidity and Weather-Resistant Use$20.78current price $20.78WynBing 3-Pack Outdoor Extension Cord Connection Box - Weatherproof Safety Junction Box for Secure Outdoor Electrical Connections
WynBing 3-Pack Outdoor Extension Cord Connection Box - Weatherproof Safety Junction Box for Secure Outdoor Electrical Connections$21.06current price $21.06Southwire 4 In. Dia. 3/4 In. 5-Outlet Gray Weatherproof Round Box WRB1575-UPC
Southwire 4 In. Dia. 3/4 In. 5-Outlet Gray Weatherproof Round Box WRB1575-UPC$15.29current price $15.29Southwire 52C18-UPC 4 x 0.75 in. Steel Metallic 2-Gang 2-Device Square Cover
Southwire 52C18-UPC 4 x 0.75 in. Steel Metallic 2-Gang 2-Device Square Cover$8.52current price $8.52Southwire 4 In. Blank Gray Stamped Steel Weatherproof Cover WRCB-UPC
Southwire 4 In. Blank Gray Stamped Steel Weatherproof Cover WRCB-UPC$8.79current price $8.79Hubbell Wiring Device-Kellems Deep Extension Box,Ivory,Steel,Boxes HBL5751AIVA
Hubbell Wiring Device-Kellems Deep Extension Box,Ivory,Steel,Boxes HBL5751AIVA$22.78current price $22.78Homeline 125a Load Center HOM816L125PC
Homeline 125a Load Center HOM816L125PC$73.40current price $73.40Carlon HB1DP Duplex Handy Box Cover, PVC - Quantity 25
Carlon HB1DP Duplex Handy Box Cover, PVC - Quantity 25$48.67current price $48.67Wiremold Three Gang Box Fitting,Ivory,Steel V5748-3
Wiremold Three Gang Box Fitting,Ivory,Steel V5748-3$66.62current price $66.62Hoffman A12R124 NEMA 3R Enclosure, Screw Cover, Galvanized, Paint Finish
Hoffman A12R124 NEMA 3R Enclosure, Screw Cover, Galvanized, Paint Finish$77.06current price $77.06Arlington EB0708 7" 8" 3.5" Heavy-Duty Non-Metallic Enclosure Box, NEMA3R, Gray
Arlington EB0708 7" 8" 3.5" Heavy-Duty Non-Metallic Enclosure Box, NEMA3R, Gray$47.13current price $47.13Southwire Round 1/2 In., 3/4 In. 5-Hole Gray Weatherproof PVC Junction Box
Southwire Round 1/2 In., 3/4 In. 5-Hole Gray Weatherproof PVC Junction Box$16.60current price $16.60Hubbell-Raco 724 4" Octagon/Round Box Cover, 1 1/2" Knockout, Drawn, Metallic
Hubbell-Raco 724 4" Octagon/Round Box Cover, 1 1/2" Knockout, Drawn, Metallic$7.19current price $7.19





