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Alarm SystemsAll Tool SetsBrackets and Angle IronsBreakers, Distributors, and Load CentersCar Emergency SuppliesConduits and FittingsDimmers, Switches, and Wall PlatesElectrical ToolsEmergency SuppliesExtension Cord ReelsExtension CordsFire SafetyHand ToolsHome SafetyHVAC Ducting and VentilationKiddeMechanics ToolsOutletsPersonal PreparednessPlug AdaptersPower Tool AccessoriesPower ToolsPower TransformersSolderingStorm & Flood Prep
Electrical Box Extension Ring(86)
Uses item details. Price when purchased online
Best seller Restmo IP54 Waterproof Electrical Box, Outdoor Plug Cover Weatherproof,Rectangle Plastic Extra Large 12.5'' x 8.5'' x 5'', Green From $29.99

Sponsored
From$2999
Restmo IP54 Waterproof Electrical Box, Outdoor Plug Cover Weatherproof,Rectangle Plastic Extra Large 12.5'' x 8.5'' x 5'', Green
924.8 out of 5 Stars. 92 reviews
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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,Green 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,Green
654.4 out of 5 Stars. 65 reviews
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1/4" Double Gang Receptacle Outlet Box Extender - Yellow - Pack of 3 From $14.95

Sponsored
From$1495
1/4" Double Gang Receptacle Outlet Box Extender - Yellow - Pack of 3
15 out of 5 Stars. 1 reviews
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Best seller Restmo 4 Pack Mini IP44 Waterproof Outdoor Connection Box with Lockable Latches and Mounting Holes, Cover for Outdoor Plugs, Lights, Cables, Wires, Size Small, Gray From $16.99 Was $19.99

Sponsored
From$1699
$19.99
Restmo 4 Pack Mini IP44 Waterproof Outdoor Connection Box with Lockable Latches and Mounting Holes, Cover for Outdoor Plugs, Lights, Cables, Wires, Size Small, Gray
634.7 out of 5 Stars. 63 reviews
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10 Pcs Single Gang Electrical Outlet Box Extender, 1/4 Inch Wall Box Extension Ring for PVC, Metal & Fiberglass Boxes, Non-Conductive Plastic Spacer with 20 Screws for Tile, Backsplash and Drywall $19.79

$1979
current price $19.7910 Pcs Single Gang Electrical Outlet Box Extender, 1/4 Inch Wall Box Extension Ring for PVC, Metal & Fiberglass Boxes, Non-Conductive Plastic Spacer with 20 Screws for Tile, Backsplash and Drywall
Raco Extension Ring, 1 Gang, Steel, Handy Box Type 665

Raco Extension Ring, 1 Gang, Steel, Handy Box Type 665
3" X 2" Switch Box Extension Ring $16.20

$1620
current price $16.203" X 2" Switch Box Extension Ring
RACO Extension Box Ring, Metal Box Extension Ring - Galvanized Zinc, Silver, 1-3/4" $9.06

$906
current price $9.06RACO Extension Box Ring, Metal Box Extension Ring - Galvanized Zinc, Silver, 1-3/4"
Raco Extension Ring, 1 Gang, Galvanized steel, Outlet Box Type 661 $13.24

$1324
current price $13.24Raco Extension Ring, 1 Gang, Galvanized steel, Outlet Box Type 661
Hubbell Steel Square Box Extension Ring - Pre-Galvanized, Metal - 4 in x 4 in x 1.5 in $16.07

$1607
current price $16.07Hubbell Steel Square Box Extension Ring - Pre-Galvanized, Metal - 4 in x 4 in x 1.5 in
5PC Arlington Box Extenders, 2-gang, BE2 $15.99

Sponsored
$1599
current price $15.995PC Arlington Box Extenders, 2-gang, BE2
Southwire 1/2 In. 6-Hole 1-Gang Weatherproof Extension Ring WB1650EXT-UPC $17.74

$1774
current price $17.74Southwire 1/2 In. 6-Hole 1-Gang Weatherproof Extension Ring WB1650EXT-UPC
Raco Extension Ring, 2 Gangs, Steel, Square Box Type 202 $12.03

$1203
current price $12.03Raco Extension Ring, 2 Gangs, Steel, Square Box Type 202
4 x 2 in. Steel Metallic 1-Gang Handy Box Extension Ring $10.05

$1005
current price $10.054 x 2 in. Steel Metallic 1-Gang Handy Box Extension Ring
Bowers 810, Electrical Gang Box Extension Ring, 3/4 Inch Raised, 1 PC $264.47 Was $290.92

Now$26447
current price Now $264.47, Was $290.92$290.92
Bowers 810, Electrical Gang Box Extension Ring, 3/4 Inch Raised, 1 PC
Raco Extension Ring, 2 Gangs, Steel, Square Box Type 201 $11.75

$1175
current price $11.75Raco Extension Ring, 2 Gangs, Steel, Square Box Type 201
Raco 00653 4" X 2" Handy Box Extension Rings

Raco 00653 4" X 2" Handy Box Extension Rings
Ceiling Box Extender, ETL Listed, Plastic Ceiling Outlet Box Extension Ring, Extender for 3.5" and 4" Round or Octagonal Boxes (Extends to 1.5 Inches),128-321-1/2" Screws, White 6-Pack $17.99

$1799
current price $17.99Ceiling Box Extender, ETL Listed, Plastic Ceiling Outlet Box Extension Ring, Extender for 3.5" and 4" Round or Octagonal Boxes (Extends to 1.5 Inches),128-321-1/2" Screws, White 6-Pack
Receptxtenders 2-Gang 1/4 In. Electrical Receptacle Box Extension Ring (5-Pack) $50.94

$5094
current price $50.94Receptxtenders 2-Gang 1/4 In. Electrical Receptacle Box Extension Ring (5-Pack)
30A/50A Power Inlet Box for Generator, Journeyman-Pro ETL Listed, w/Waterproof Cover,L5-30P,TT-30P,L14-30P,SS-2-50P | 30 or 50 Amp 125/250V | for 3 or 4 Prong Extension Cord (TT-30P - Black) From $49.99

Sponsored
From$4999
30A/50A Power Inlet Box for Generator, Journeyman-Pro ETL Listed, w/Waterproof Cover,L5-30P,TT-30P,L14-30P,SS-2-50P | 30 or 50 Amp 125/250V | for 3 or 4 Prong Extension Cord (TT-30P - Black)
45 out of 5 Stars. 4 reviews
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Raco Extension Ring, 2 Gangs, Steel, Octagon Box Type 130 $13.20

$1320
current price $13.20Raco Extension Ring, 2 Gangs, Steel, Octagon Box Type 130
Hubbell Raco 665 Single Gang Extension Ring $10.68

$1068
current price $10.68Hubbell Raco 665 Single Gang Extension Ring
OHLECTRIC 4-11/16" Square Box Cover Blank with 1/2” Knockout, Fire Rated | Ideal for Steel Junction and Device Box Covers for Wiring Connection Protection and Wiring Devices (4-Pack) From $19.99

5 options
Available in additional 5 optionsFrom$1999
OHLECTRIC 4-11/16" Square Box Cover Blank with 1/2” Knockout, Fire Rated | Ideal for Steel Junction and Device Box Covers for Wiring Connection Protection and Wiring Devices (4-Pack)
Southwire New and Old Work Rectangle Galvanized Steel Box Extension Ring $9.52

$952
current price $9.52Southwire New and Old Work Rectangle Galvanized Steel Box Extension Ring
12 Packs Square Extension Ring, 4" L X 4" W Electrical Box Extension Ring with 1/2" and 3/4" Knockouts, 1-1/2'' Deep, Electrical Box Extender, Galvanized $32.99

$3299
current price $32.9912 Packs Square Extension Ring, 4" L X 4" W Electrical Box Extension Ring with 1/2" and 3/4" Knockouts, 1-1/2'' Deep, Electrical Box Extender, Galvanized
Raco Extension Ring, 2 Gangs, Galvanized steel, Square Box Type 262 $15.67

$1567
current price $15.67Raco Extension Ring, 2 Gangs, Galvanized steel, Square Box Type 262
15 out of 5 Stars. 1 reviews
Southwire 3/4 In. 6-Hole 1-Gang Weatherproof Extension Ring WB1675EXT-UPC $17.76

$1776
current price $17.76Southwire 3/4 In. 6-Hole 1-Gang Weatherproof Extension Ring WB1675EXT-UPC
Raco Extension Ring, 2 Gangs, Galvanized steel, Square Box Type 250 $16.83

$1683
current price $16.83Raco Extension Ring, 2 Gangs, Galvanized steel, Square Box Type 250
15 out of 5 Stars. 1 reviews
Southwire Square Extension Ring - Durable, Plastic, 4 In. x 4 In. - Model 53151-SUB $18.04

$1804
current price $18.04Southwire Square Extension Ring - Durable, Plastic, 4 In. x 4 In. - Model 53151-SUB
OHLECTRIC 4-11/16" Square Steel Work Box Extension Rings 1-1/2" Deep with Twelve 1/2" & 3/4 KO |Made from Galvanized Steel, Fire Rated| Ideal for Wiring Connections, Housing Receptacle & Switches $29.99

$2999
current price $29.99OHLECTRIC 4-11/16" Square Steel Work Box Extension Rings 1-1/2" Deep with Twelve 1/2" & 3/4 KO |Made from Galvanized Steel, Fire Rated| Ideal for Wiring Connections, Housing Receptacle & Switches
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
OHLECTRIC 4" Square Steel Work Box Extension Rings 2-1/8" Deep with Eight 1/2" & 3/4 Knockouts, Fire Rated| Ideal for Wiring Connections, Housing Receptacle & Switches (4-Pack) $24.99

$2499
current price $24.99OHLECTRIC 4" Square Steel Work Box Extension Rings 2-1/8" Deep with Eight 1/2" & 3/4 Knockouts, Fire Rated| Ideal for Wiring Connections, Housing Receptacle & Switches (4-Pack)
OHLECTRIC 4 Pack - 4x2” Rectangle Steel Outlet Box Extension Ring| 1-7/8" Deep Box with 1/2" & 3/4" Knockouts, Fire Rated | Ideal for Lighting Fixtures, Switches and Receptacles

OHLECTRIC 4 Pack - 4x2” Rectangle Steel Outlet Box Extension Ring| 1-7/8" Deep Box with 1/2" & 3/4" Knockouts, Fire Rated | Ideal for Lighting Fixtures, Switches and Receptacles
Raco Extension Ring, 2 Gangs, Steel, Square Box Type 203 $12.42

$1242
current price $12.42Raco Extension Ring, 2 Gangs, Steel, Square Box Type 203
Thomas & Betts Octagon Box Extension Ring 55151-1/2-25 - Pre-Galvanized Steel - 4 In. Diameter, 1-1/2 In. Deep, 15.8 Cu. In. $9.25

$925
current price $9.25Thomas & Betts Octagon Box Extension Ring 55151-1/2-25 - Pre-Galvanized Steel - 4 In. Diameter, 1-1/2 In. Deep, 15.8 Cu. In.
Hubbell-Raco 665 Handy Box Extension Ring, 1-7/8" Deep, 1/2" KOs, Drawn, Metallic $10.76

$1076
current price $10.76Hubbell-Raco 665 Handy Box Extension Ring, 1-7/8" Deep, 1/2" KOs, Drawn, Metallic
Hubbell-Raco 187 Square Extension Ring, Attaches to Switch Boxes, 1-1/2" Depth, 1/2"-3/4" Knock-Out, 4" (Pack of 25) $206.08

$20608
current price $206.08Hubbell-Raco 187 Square Extension Ring, Attaches to Switch Boxes, 1-1/2" Depth, 1/2"-3/4" Knock-Out, 4" (Pack of 25)
Appleton O-Z/G 3OE-1/2, Octagon Box Extension Ring, 3-1/4""Oct Box Ext Ring, 1 PC $13.67

$1367
current price $13.67Appleton O-Z/G 3OE-1/2, Octagon Box Extension Ring, 3-1/4""Oct Box Ext Ring, 1 PC
Crouse-Hinds TP286, Electrical Octagon Outlet Box Extension Ring 1/2 & 3/4, 1 PC $17.35

$1735
current price $17.35Crouse-Hinds TP286, Electrical Octagon Outlet Box Extension Ring 1/2 & 3/4, 1 PC
XGGYA Ceiling Box Extender, ETL Listed, Plastic Ceiling Outlet Box Extension Ring, Extender for 3.5" and 4" Round or Octagonal Boxes (Extends to 1.5 Inches),128-321-1/2" Screws, White 6-Pack $14.99

$1499
current price $14.99XGGYA Ceiling Box Extender, ETL Listed, Plastic Ceiling Outlet Box Extension Ring, Extender for 3.5" and 4" Round or Octagonal Boxes (Extends to 1.5 Inches),128-321-1/2" Screws, White 6-Pack
Crouse-Hinds TP258, Electrical Octagon Outlet Box Extension Ring, 3 1/4, 1 PC $11.83

$1183
current price $11.83Crouse-Hinds TP258, Electrical Octagon Outlet Box Extension Ring, 3 1/4, 1 PC
Thomas & Betts 551511/2-25 Steel City Extension Ring $9.25

$925
current price $9.25Thomas & Betts 551511/2-25 Steel City Extension Ring
Clearance 2-Gang Extension Ring, Grey $21.90 Was $26.46

Now$2190
current price Now $21.90, Was $26.46$26.46
2-Gang Extension Ring, Grey
Steel City 59361-1/2 Handy/Utility Outlet Box Extension Ring, Drawn Construction, 4-Inch Length by 2-1/8-Inch Width by 1-7/8-Inch Depth, Galvanized $9.06

$906
current price $9.06Steel City 59361-1/2 Handy/Utility Outlet Box Extension Ring, Drawn Construction, 4-Inch Length by 2-1/8-Inch Width by 1-7/8-Inch Depth, Galvanized
XGGYA 4-Inch Octagon Extension Ring, 1-1/2-Inch Deep with 1/2-Inch Knockouts, Durable Galvanized Steel Construction for Increasing Box Capacity, UL Listed, 1-Pack $6.99

$699
current price $6.99XGGYA 4-Inch Octagon Extension Ring, 1-1/2-Inch Deep with 1/2-Inch Knockouts, Durable Galvanized Steel Construction for Increasing Box Capacity, UL Listed, 1-Pack
Raco 130 Octagon Extension Ring, Steel, 4 x 1.5-In. - Quantity 25 $85.00

$8500
current price $85.00Raco 130 Octagon Extension Ring, Steel, 4 x 1.5-In. - Quantity 25
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