Open: $5.5850 USD/lb

07/11/2025

Close: $5.5480 USD/lb

07/10/2025

Sign in / Register

Region

English español English français

Products

Products

Explore our complete product offering.

Wire & Cable Tools & Equipment Power Management Temporary Lighting Lamps & Luminaires Electrical Components SCR^® Technologies New Products
View Our Catalog

600 Volt Secondary Distribution

Armored Power Cable

Bare Aluminum Overhead Transmission & Distribution

Building Wire

Copper Bare & Covered

Covered Aerial MV (CAMV™) Systems

Canadian Products

Flexible Conduit

Flexible Cord

Genesis Cable

High Voltage Underground (69kV and Up)

HVAC

Instrumentation

Industrial Flexible

Leadwire

Low Voltage Cable

Medium Voltage Power Cable

Medium Voltage Primary Underground Distribution

Metal Clad Cable

Mining Cable

Overhead Covered Conductor

Power & Control

Pump & Irrigation

SIMpull^® Cable In Conduit

Substation

Telecom Power

Transit Cable

Transit Cable Accessories

Bending

Cable Preparation & Termination

Cable Pulling & Fishing

Drivers

General Purpose Tools

Hole Making

Material Handling & Storage

Pliers

Saws & Cutting

Test & Measurement

VDV Tools & Testers

Entertainment Lifts

Jacks & Stands

Lifts

Chain Block & Lever Hoists

Purge Dams

Welding Tools & Pipe Fitting Products

Cord Protectors

Cabling Solutions

Electrical Safety

Extension Cords

Recreational Power

Temporary Power Distribution

Area Lights

Bulbs & Accessories

Clamp Lights

Corded Work Lights

Dock Lights

Flood Work Lights

Halogen Work Lights

Handheld Lights

Headlamps

String Lights

Temporary Overhead Lighting

Trouble Lights

Rechargeable Work Lights

Area Lights

Panels

High Bays

Strip Lights

Troffers

Wraps

Exit & Emergency

Canless Downlights

Commercial Canless Downlights

Retrofit Trims

Housings & Trims

Surface Mount

Vapor Tights

Canopy

Area Lights

Wall Packs

Flood Lights

Security Lights

Sports Lights

General Purpose Lamps

Linear Tubes

HID Replacement

Plug-Base Lamps

Conventional (Non-LED) Lamps

Bolted Framing, Strut Fittings & Clamps

Cable Ties

Commercial, Industrial, Residential Raceway Fittings

Floor Boxes & Covers

Grounding, Bonding, Splicing

Non-Metallic Boxes & Covers

Panel & Breaker Accessories

Raceway Support & Hanging, Box Positioning Products

Steel Boxes, Covers, & Accessories

Weatherproof and WIU Covers

Wire & Cable

Tools & Equipment

Power Management

Temporary Lighting

Lamps & Luminaires

Electrical Components

SCR^® Technologies

New Products
Services

Services

See Southwire's full service offerings catalog.

View All Services

Southwire SPEED Services

CableTechSupport Services

Southwire Solutions University

Contractor Solutions Professionals

High Voltage Underground Transmission

Storm Activation Team

Cable Rejuvenation

Digital Grid Resiliency Assessments

Reel Tracking System

Field Assessment Services

Utility Services
Industries

Industries

See Southwire's important industry verticals.
View Our Industries

Data Centers

Factory Power & Automation

Utility

Renewables

Mass Transit

Building Solutions

Oil, Gas & Petrochem

Healthcare

Automotive & Electric Vehicles

Telecom Power

Ports

Airports
Ordering

Ordering

Strong brand names. Diverse product lines.
View All Ordering

Southwire Customer Hub

Pricing

Reels & Returns

Freight Policy

Terms and Conditions
Resources

Resources

From vision to completion, we're here to help you along the way.
View All Resources

Calculators

Mobile Apps

Manuals & Catalogs

Videos

Industry Links

Events

Repair Centers

Product Cross References

Find a Sales Representative

Software

Featured

Warranties

Electrical Association Partnerships
About

About Us

Learn more about Southwire’s history, impact and reach.
Read About Southwire

Careers

Family Owned

Newsroom

Sustainability

History

Donations

Inclusion

Technology Ventures
Join Our Team

We use cookies to operate our website, analyze web traffic, and serve our advertisements. You may opt out of certain cookies being used or information being shared with third parties for analytics and advertising purposes on the "Your Privacy Choices" page. By continuing to use our websites, you agree to our collection and use of your information as described in our Privacy Policy.

Search Products

Products
Electrical Components
Steel Boxes, Covers, & Accessories
Plenum Boxes and Covers

Steel Boxes, Covers, & Accessories

Plenum Boxes and Covers Products (54)

View Sort

Filter By

Plenum Boxes and Covers (54)

+ Show More - Show Less

Old Work Clips (2)

+ Show More - Show Less

Blank Gasketed (3)

Device Ring (8)

Fixture Hanger Gasketed (1)

+ Show More - Show Less

Silver (44)

+ Show More - Show Less

10.0 (163.4) (1)

13.5 (221.3) (1)

15.5 (254.0) (2)

21.0 (344.1) (3)

21.5 (352.3) (1)

29.5 (483.3) (1)

3.0 (49.2) (1)

3.8 (62.2) (1)

3.8 (62.3) (5)

30.3 (496.5) (4)

42.0 (688.2) (5)

43.0 (704.6) (1)

44.0 (721.1) (1)

5.3 (86.9) (1)

5.5 (90.2) (3)

5.8 (95.1) (1)

6.0 (98.3) (1)

6.0 (98.4) (1)

6.5 (106.5) (1)

9.5 (155.7) (1)

+ Show More - Show Less

1-1/2" (6)

1/2" (9)

1/4" (1)

2-1/8" (11)

3-1/2" (1)

3/4" (1)

+ Show More - Show Less

Galvanized Steel (44)

+ Show More - Show Less

BOXES & COVERS - PLENUM RATED BOXES & COVERS - BOXES (20)

BOXES & COVERS - PLENUM RATED BOXES & COVERS - COVERS (7)

BOXES & COVERS - PREFAB ASSEMBLIES - SIMFAB BAR (6)

BOXES & COVERS - ROUND PAN BOXES - 3-1/2" (5)

BOXES & COVERS - ROUND PAN BOXES - 4" (6)

BOXES & COVERS - ROUND PAN COVERS - FLAT (10)

+ Show More - Show Less

Raised Dimension

1" (1)

1-1/2" (1)

1-1/4" (1)

1/2" (1)

2" (1)

3/4" (1)

5/8" (1)

Flat (5)

+ Show More - Show Less

(12) 3/4" (1)

(2) 1/2", (2) 3/4" (2)

(4) 1-1/4 (1)

(4) 1/2" (1)

(4) 3/4", (4) 1" (1)

(6) 3/4", (4) 1" (1)

(8) 1" (2)

(8) 1/2" & (4) 3/4" (3)

(8) 1/2", (4) 3/4" (1)

(8) 1/2", (4) 3/4" (2)

(8) 1/2', (4) 3/4" (1)

(8) 3/4" (2)

+ Show More - Show Less

1/2" (1)

3-1/2" (4)

4" (5)

+ Show More - Show Less

3-1/2" Round Cut In Pan Box, 1/2" Deep - Drawn W/Conduit KO's, FixtureEarss 2-3/4" O.C.

Model #: 46111-OW

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 46111-OW

Specifications PDF

3-1/2" Round Pan Box Extension Ring, 1/2" Deep - Drawn, Fixture Earss

Model #: 47111

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 47111

Specifications PDF

3-1/2" Round Pan Box, 1/2" Deep - Drawn W/ Conduit KO's, Fixture Earss

Model #: 46112

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 46112

3-1/2" Round Pan Box, 1/2" Deep - Drawn W/ Romex Clamps, Fixture Earss2-3/4" O.C.

Model #: 46111-R

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 46111-R

Specifications PDF

3-1/2" Round Pan Box, 1/2" Deep - Drawn W/Conduit KO's, Fixture Earss2-3/4" O.C.

Model #: 46111

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 46111

Specifications PDF

4 Square Chicago Plenum Air Tight Extension Ring, 2-1/8 in. Deep, 1/2& 3/4 in. Knockouts

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

4 Square Junction Box with Ceiling Grid Span Bar, 3-1/2 in. Deep, 1/2& 3/4 in.Knockouts

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Specifications PDF

4" Octagon Plenum Box, 1-1/2" Deep - Drawn, W/Conduit KO's And FixtureEars 3-1/2" O.C.

Model #: 54151-VT

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54151-VT

Specifications PDF

4" Octagon Plenum Box, 2-1/8" Deep - Drawn, W/Conduit KO's And FixtureEars 3-1/2" O.C.

Model #: 54171-SVT

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54171-SVT

4" Octagon Plenum Extension Ring, 1-1/2" Deep - Drawn W/Conduit KO's AndFixture Ears 3-1/2" O.C.

Model #: 55151-VT

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 55151-VT

Specifications PDF

4" Octagon Plenum Flat Blank Cover

Model #: 54C1-VT

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C1-VT

Specifications PDF

4" Round Cut In Pan Box, 1/2" Deep - Drawn W/Conduit KO's, Fixture Earss2-3/4" O.C.

Model #: 56111-OW

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 56111-OW

Specifications PDF

4" Round Fixture Ring - Flat

Model #: 54C3-F

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C3-F

Specifications PDF

4" Round Fixture Ring - Raised 1"

Model #: 54C3-1

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C3-1

Specifications PDF

4" Round Fixture Ring - Raised 1-1/2"

Model #: 54C3-1-1/2

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C3-1-1/2

Specifications PDF

4" Round Fixture Ring - Raised 1-1/4"

Model #: 54C3-1-1/4

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C3-1-1/4

Specifications PDF

4" Round Fixture Ring - Raised 1/2"

Model #: 54C3

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C3

Specifications PDF

4" Round Fixture Ring - Raised 2"

Model #: 54C3-2

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C3-2

Specifications PDF

4" Round Fixture Ring - Raised 3/4"

Model #: 54C3-3/4

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C3-3/4

Specifications PDF

4" Round Fixture Ring - Raised 5/8"

Model #: 54C3-5/8

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 54C3-5/8

Specifications PDF

4" Round Pan Box Extension Ring, 1/2" Deep - Drawn, Fixture Earss 2-3/4"O.C.

Model #: 57111

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 57111

Specifications PDF

4" Round Pan Box, 1/2" Deep - Drawn W/ Romex Clamps, Fixture Earss2-3/4" O.C.

Model #: 56111-R

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 56111-R

Specifications PDF

4" Round Pan Box, 1/2" Deep - Drawn W/Conduit KO's, Fixture Earss 2-3/4"O.C.

Model #: 56111

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 56111

Specifications PDF

4" Round Pan Box, 1/4" Deep - Drawn W/Conduit KO's, Fixture Earss 2-3/4"

Model #: 56113

0.0

(0)

0.0 out of 5 stars.

0.0

(0)

0.0 out of 5 stars.

Model #: 56113

Specifications PDF

1-24 of 54

1
2
3

View

Products Where to Buy Ordering Resources About

Sustainability Join Our Team Contact Us Southwire Patents Recalls

Website Terms of Use Privacy Policy CA Notice at Collection Your Privacy Choices CA Supply Chain Act

Submit Product Idea

Available on the App Store Get it on Google Play

Also of Interest

Handy Boxes & Extensions Products (26)
Multi-Gang Boxes & Extensions Products (38)
Handy Box Covers Products (18)

© 2025 Southwire Company, LLC. All Rights Reserved.