The store will not work correctly in the case when cookies are disabled.

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Skip to Content

free ground shipping on orders of $300 or more*

Compare ()
Sign In
Create an Account
- Create New Customer
- Create New Company Account

Toggle Nav

Search

Advanced Search

Search by

Filter

Please select options before adding the product to the cart.

No products found

CALL US NOW
631-467-3939

Unistrut
Distribution/Controls
Pipe/Wire/Fittings
Wire Termination
Wiring Devices
Grounding
Lighting
Tools
Plumbing

Home
Pipe/Wire/Fittings
Boxes & Covers
Outlet Boxes & Covers

Outlet Boxes & Covers

Outlet Boxes & Covers

Outlet Boxes & Covers (417)

Weatherproof (58)

Industrial & Explosion Proof

Industrial & Explosion Proof (517)

Floor Boxes (20)

Sort By Set Ascending Direction

View as Grid List

4 Items

Show

per page

52151 BX 4" x 1-1/2" x 4", (7) 1/2"/(2) 3/4"/(4) Cable End Knockout, 21 Cu Inch, Pre-Galvanized Steel, B-Bracket Mount, Welded, Square Outlet Box

$2.79 / EAprice:2.786667 final price:2.786667

Availability: 45 EA
Quickview
Add to Wish List

Add to Compare
52151-CVX 4" x 1-1/2" x 4", (7) 1/2"/(2) 3/4"/4 Cable End Knockout, 21 Cu Inch, Pre-Galvanized Steel, CV-Bracket Mount, Welded, Square Outlet Box

$2.77 / EAprice:2.773333 final price:2.773333

Availability: 23 EA
Quickview
Add to Wish List

Add to Compare
52151 MS X 4" x 1-1/2" x 4", 21 Cu Inch, Silver, Welded Pre-Galvanized Steel, 11-Knockout, MS Bracket Mount, Electrical Square Outlet Box

$4.33 / EAprice:4.333333 final price:4.333333

Availability: 8 EA
Quickview
Add to Wish List

Add to Compare
52171-CVX 4IN SQ BX,STL,30.3CU,.5&3/4E-KO ARM

$4.73 / EAprice:4.733333 final price:4.733333

Availability: Currently out of stock
Quickview
Add to Wish List

Add to Compare

Loading ...

Sort By Set Ascending Direction

View as Grid List

4 Items

Show

per page

Filter

Now Shopping by

Knockout Location (1) Bottom, (6) Side, (4) End Remove This Item

Shopping Options

Manufacturer

Approval

UL 4 items

Capacity

21 Cu Inch 3 items
30.3 Cu Inch 1 item

Clamp Type

Type C-3 Armored Cable/Metal Clad 4 items

Depth

1-1/2 Inch 3 items
2-1/8 Inch 1 item

Knockout Location

(1) Bottom, (2) Cable Bottom, (4) Cable Ends 1 item
(1) Bottom, (2) End, (4) Cable End 1 item
(1) Bottom, (2) Ends, (2) Cable Bottom 3 items
(1) Bottom, (2) Sides, (2) Cable Bottom 4 items
(1) Bottom, (2) Sides, (2) Cable Ends 1 item
(1) Bottom, (2) Sides, (2) Ends 1 item
(1) Bottom, (2) Sides, (2) Ends, (2) Cable Bottom 3 items
(1) Bottom, (2) Sides, (4) Cable Ends 2 items
(1) Bottom, (2) Sides, (4) Ends 3 items
(1) Bottom, (3) Conduit Cable 1 item
(1) Bottom, (4) Side, (2) End, (4) Cable End 1 item
(1) Bottom, (4) Sides, (2) Ends, (2) Cable Bottom 4 items
(1) Bottom, (4) Sides, (4) Ends 3 items
(1) Bottom, (4) Sides, (6) Ends 2 items
(1) Bottom, (6) Side, (4) End 4 items
(1) Bottom, (6) Sides, (4) End 4 items
(10) Bottom, (10) Sides, (4) Ends 2 items
(10) Bottom, (12) Sides, (4) Ends 2 items
(10) Bottom, (8) Sides, (4) Ends 1 item
(10) Side, (4) Bottom 1 item
(12) Side, (4) Bottom 2 items
(2) Bottom, (2) Sides, (2) Ends 2 items
(2) Bottom, (4) Sides, (2) Ends 1 item
(2) Bottom, (4) Sides, (4) Ends 1 item
(2) Bottom, (6) Sides, (2) Ends 4 items
(2) Side, (2) End, (2) Bottom 1 item
(2) Sides, (4) Cable Ends 1 item
(3) Bottom, (6) Sides, (2) Ends 1 item
(4) Bottom 1 item
(4) Bottom, (4) Sides, (8) Ends 1 item
(4) Bottom, (8) Side 1 item
(4) Bottom, (8) Sides 1 item
(4) Side, (4) End, (5) Bottom 1 item
(5) Bottom, (12) Side 1 item
(5) Bottom, (12) Sides 2 items
(5) Bottom, (2) Sides, (2) Ends 6 items
(5) Bottom, (3) Side, (6) End 1 item
(5) Bottom, (4) Side, (2) End 1 item
(5) Bottom, (4) Side, (4) End 5 items
(5) Bottom, (4) Sides 1 item
(5) Bottom, (6) Side, (6) End 12 items
(5) Bottom, (8) Sides 1 item
(5) Bottom, (9) Sides 1 item
(6) Bottom, (4) Sides, (12) Ends 1 item
(6) Bottom, (6) Side, (4) End 1 item
(6) Bottom, (8) Sides, (12) Ends 1 item
(6) Side, (2) End 1 item
(8) Sides, (4) Ends 1 item

Knockout Size

(1) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) 1/2 Inch Conduit End 1 item
(1) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) Cable End 2 items
(1) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Side, (4) Cable End 1 item

Material

Steel 4 items

Mounting

B Bracket 1 item
CV Bracket 2 items
MS Bracket 1 item

Number of Knockouts

11 4 items

Standard Package

25 4 items

Type

Welded 4 items

My Wish List

Last Added Items

Add to Cart
Remove This Item

Go to Wish List

You have no items in your wish list.

Sign Up For Email

Sign Up for Our Newsletter:

Be the first to know about new products, promotions, technology and more!

66 Southern Blvd.
Nesconset, NY 11767
USA
Tel: 631-467-3939
Fax: 631-979-0605
help@kellyhayes.com

cards

Unistrut
Distribution/Controls
Pipe/Wire/Fittings
Wire Termination
Wiring Devices
Grounding
Lighting
Tools

My Account
Contact Us
Privacy Policy
Return Policy
Return/Exchange Form
Multiple Shipments/Delivery Method
Make a Credit Card Payment
Forms
Gallery
Leave Us A Review
Terms & Conditions

FREE GROUND SHIPPING

ON ORDERS OF $300 OR MORE*

Connect with us

©Copyright 2020 Kelly & Hayes. All Rights Reserved.

Choose sharing option

×

Email
URL

Recipient Email(s)

Your Name (required)

Message (optional)

Your Name (required)