Extension Junction Box(357)
Uses item details. Price when purchased online
Iron Forge Cable Outdoor Electrical Junction Box - 12 x 10 x 4.8 Inch Dustproof Waterproof Electrical Box for Outdoor - Universal Durable Electrical Project Enclosure Box From $22.99

Sponsored
From$2299
Iron Forge Cable Outdoor Electrical Junction Box - 12 x 10 x 4.8 Inch Dustproof Waterproof Electrical Box for Outdoor - Universal Durable Electrical Project Enclosure Box
15 out of 5 Stars. 1 reviews
VEVOR Outdoor Electrical Box, Cold-Rolled Steel, Electrical Junction Box with Thermostat and Fan, Rain Hood, Ventilated Design, IP65 Waterproof Hinged Enclosure, Wall/Pole Mounted, 24 x 24 x 12 in $224.99

Sponsored
$22499
current price $224.99VEVOR Outdoor Electrical Box, Cold-Rolled Steel, Electrical Junction Box with Thermostat and Fan, Rain Hood, Ventilated Design, IP65 Waterproof Hinged Enclosure, Wall/Pole Mounted, 24 x 24 x 12 in
KFFKFF 20.87x16.92x7.87 in Outdoor Junction Box ABS Plastic Electrical Enclosure $68.99 $68.99/ca

Sponsored
$6899
current price $68.99$68.99/ca
KFFKFF 20.87x16.92x7.87 in Outdoor Junction Box ABS Plastic Electrical Enclosure
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
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
1274.7 out of 5 Stars. 127 reviews
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
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
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
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
KFFKFF 13.78x9.84x5.90 in Outdoor Junction Box ABS Plastic Electrical Enclosure $38.90 $38.90/ca

Sponsored
$3890
current price $38.90$38.90/ca
KFFKFF 13.78x9.84x5.90 in Outdoor Junction Box ABS Plastic Electrical Enclosure
15 out of 5 Stars. 1 reviews
VEVOR Outdoor Electrical Box, ABS, Waterproof Electrical Junction Box with Thermostat and Fan, Mounting Plate, Cable Grommets,Ventilated Plastic Enclosure,14.2 x 10.8 x 5.9 in,IP65 for Indoor/Outdoor $64.99

Sponsored
$6499
current price $64.99VEVOR Outdoor Electrical Box, ABS, Waterproof Electrical Junction Box with Thermostat and Fan, Mounting Plate, Cable Grommets,Ventilated Plastic Enclosure,14.2 x 10.8 x 5.9 in,IP65 for Indoor/Outdoor
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
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, 2-Pack $13.99

$1399
current price $13.99XGGYA 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, 2-Pack
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
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
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
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
Commercial Electric WDE000G Gray 2-Gang Weatherproof Extension Box Cast Metal $17.62 Was $21.80

Now$1762
current price Now $17.62, Was $21.80$21.80
Commercial Electric WDE000G Gray 2-Gang Weatherproof Extension Box Cast Metal
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
VEVOR Outdoor Electrical Box, Cold-Rolled Steel, Electrical Junction Box with Thermostat and Fan, Rain Hood, Ventilated Design, IP65 Waterproof Hinged Enclosure, Wall/Pole Mounted, 20 x 16 x 8 in $141.90

Sponsored
$14190
current price $141.90VEVOR Outdoor Electrical Box, Cold-Rolled Steel, Electrical Junction Box with Thermostat and Fan, Rain Hood, Ventilated Design, IP65 Waterproof Hinged Enclosure, Wall/Pole Mounted, 20 x 16 x 8 in
VEVOR Outdoor Electrical Box, Cold-Rolled Steel, Electrical Junction Box with Thermostat and Fan, Rain Hood, Ventilated Design, IP65 Waterproof Hinged Enclosure, Wall/Pole Mounted, 16 x 12 x 8 in $116.90

Sponsored
$11690
current price $116.90VEVOR Outdoor Electrical Box, Cold-Rolled Steel, Electrical Junction Box with Thermostat and Fan, Rain Hood, Ventilated Design, IP65 Waterproof Hinged Enclosure, Wall/Pole Mounted, 16 x 12 x 8 in
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
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
Junction Box, Plastic Outdoor Waterproof IP68 3 Way Plug Line M686 Cable Connector Electrical External Power Cord Terminal Boxes

Junction Box, Plastic Outdoor Waterproof IP68 3 Way Plug Line M686 Cable Connector Electrical External Power Cord Terminal Boxes
15 out of 5 Stars. 1 reviews
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
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
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, 4-Pack $26.99

$2699
current price $26.99XGGYA 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, 4-Pack
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
Junction Box Outdoor Waterproof Electrical Box,3 Way Plug Line Plastic External Junction Box,Electric Power Cord Boxes $11.15

$1115
current price $11.15Junction Box Outdoor Waterproof Electrical Box,3 Way Plug Line Plastic External Junction Box,Electric Power Cord Boxes
KFFKFF 11.81x7.87x7.08 in Outdoor Junction Box ABS Plastic Electrical Fence $35.99 $35.99/ca

Sponsored
$3599
current price $35.99$35.99/ca
KFFKFF 11.81x7.87x7.08 in Outdoor Junction Box ABS Plastic Electrical Fence
VEVOR Outdoor Electrical Box, Cold-Rolled Steel, Electrical Junction Box with Thermostat and Fan, Rain Hood, Ventilated Design, IP65 Waterproof Hinged Enclosure, Wall/Pole Mounted, 24 x 16 x 12 in $174.99

Sponsored
$17499
current price $174.99VEVOR Outdoor Electrical Box, Cold-Rolled Steel, Electrical Junction Box with Thermostat and Fan, Rain Hood, Ventilated Design, IP65 Waterproof Hinged Enclosure, Wall/Pole Mounted, 24 x 16 x 12 in
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
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
VEVOR Outdoor Electrical Junction Box, 11.81 x 7.87 x 7.08 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof $42.90

$4290
current price $42.90VEVOR Outdoor Electrical Junction Box, 11.81 x 7.87 x 7.08 in, ABS Plastic Electrical Enclosure Box with Hinged Cover Stainless Steel Latch, IP67 Dustproof Waterproof
92288A-Eglo Lighting-Accessory - 62 Inch Electrical Box Extension Rod-White Finish Was $59.99
92288A-Eglo Lighting-Accessory - 62 Inch Electrical Box Extension Rod-White Finish
13 out of 5 Stars. 1 reviews
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

$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
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 $12.21

$1221
current price $12.21Rack-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
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
KFFKFF 13.78x9.84x5.90 in Outdoor Junction Box ABS Plastic Electrical Enclosure $38.90 $38.90/ca

$3890
current price $38.90$38.90/ca
KFFKFF 13.78x9.84x5.90 in Outdoor Junction Box ABS Plastic Electrical Enclosure
15 out of 5 Stars. 1 reviews
Robust Dual Solar Cable Junction Box with 31cm Extension for Easier Installation in Outdoor Settings $22.44

$2244
current price $22.44Robust Dual Solar Cable Junction Box with 31cm Extension for Easier Installation in Outdoor Settings
VEVOR Electrical Enclosure Box 10x8x6 Carbon Steel Gray IP65 Waterproof From $33.90

12 options
Available in additional 12 optionsFrom$3390
VEVOR Electrical Enclosure Box 10x8x6 Carbon Steel Gray IP65 Waterproof
54.6 out of 5 Stars. 5 reviews
YAHHU IP65 Waterproof Distribution Box 12 Way Plastic Electronic Junction Case for Circuit Breaker HT 12W Indoor Outdoor Electrical Box (10 x 7.9 x 4.3 in / 255 x 200 x 110 mm) $36.64

$3664
current price $36.64YAHHU IP65 Waterproof Distribution Box 12 Way Plastic Electronic Junction Case for Circuit Breaker HT 12W Indoor Outdoor Electrical Box (10 x 7.9 x 4.3 in / 255 x 200 x 110 mm)
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
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"
XIUTE 6 Pack 1-Gang PVC Electrical BoxAdjustable Electrical BoxesBlue Outlet Box21 cu. in. Plastic Junction Box for Switches ETL Approved $67.98

$6798
current price $67.98XIUTE 6 Pack 1-Gang PVC Electrical BoxAdjustable Electrical BoxesBlue Outlet Box21 cu. in. Plastic Junction Box for Switches ETL Approved
Iron Forge Cable Waterproof Junction Box Extra Large - Outdoor Electrical Enclosure - ABS Plastic Project Boxes Weatherproof Hinged Green Panel Cover - IP65 Size 16" x 12" x 7.2" Inch $57.99

$5799
current price $57.99Iron Forge Cable Waterproof Junction Box Extra Large - Outdoor Electrical Enclosure - ABS Plastic Project Boxes Weatherproof Hinged Green Panel Cover - IP65 Size 16" x 12" x 7.2" Inch
BESTOYARD 2Pcs Electrical Extension Cord Box Waterproof with Durable Orange Cable Cover for Outdoors $8.04

$804
current price $8.04BESTOYARD 2Pcs Electrical Extension Cord Box Waterproof with Durable Orange Cable Cover for Outdoors
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
Electrical Box, Outdoor Waterproof Box IP65 Junction with Reserved Holes,Project Power Cord Enclosure Black $13.31

$1331
current price $13.31Electrical Box, Outdoor Waterproof Box IP65 Junction with Reserved Holes,Project Power Cord Enclosure Black
15 out of 5 Stars. 1 reviews
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