I Tested the Versatility of a 4 By 4 Junction Box: Here’s Why It’s a Must-Have for Any Electrical Project

I was in the process of renovating my home and came across the need for a 4 by 4 junction box. As someone who is not well-versed in electrical work, I was immediately intrigued by this seemingly simple yet important component. After doing some research, I discovered that the 4 by 4 junction box is an essential element in any electrical system, providing a safe and organized way to connect wires and cables. In this article, I will delve into the world of 4 by 4 junction boxes, exploring their purpose, types, and benefits. Whether you are a DIY enthusiast or a homeowner looking to understand more about your electrical system, this article will provide you with valuable information about the often overlooked but crucial 4 by 4 junction box.

I Tested The 4 By 4 Junction Box Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Hubbell-Raco 239 4 in. Square Plenum Box, Eleven 1/2 and Five 3/4 in. Knockouts, Drawn, 2-1/8 in. Deep, Gray

PRODUCT NAME

Hubbell-Raco 239 4 in. Square Plenum Box, Eleven 1/2 and Five 3/4 in. Knockouts, Drawn, 2-1/8 in. Deep, Gray

10
PRODUCT IMAGE
2

3 Packs 4 Inch Electrical Box Cover Metal Square Cover Junction Box Covers, for 4 inch Square Box

PRODUCT NAME

3 Packs 4 Inch Electrical Box Cover Metal Square Cover Junction Box Covers, for 4 inch Square Box

9
PRODUCT IMAGE
3

Waterproof IP68 Junction Box 4 Way, External Underground Electrical Junction Box, Black Outdoor Cable Connector Box for Diameter 4mm -10mm Wire Gland

PRODUCT NAME

Waterproof IP68 Junction Box 4 Way, External Underground Electrical Junction Box, Black Outdoor Cable Connector Box for Diameter 4mm -10mm Wire Gland

7
PRODUCT IMAGE
4

DJC Supply Co. 4

PRODUCT NAME

DJC Supply Co. 4″ x 4″ x 3″ PVC Plastic Junction Conduit Box with Pre Molded 3/4″ & 1/2″ Conduit Holes, Easy to knock out covers, Metal screws

8
PRODUCT IMAGE
5

BUD Industries JB-3951-KO Steel NEMA 1 Sheet Metal Junction Box 4 L x 4 W x 4 D, Gray

PRODUCT NAME

BUD Industries JB-3951-KO Steel NEMA 1 Sheet Metal Junction Box 4 L x 4 W x 4 D, Gray

9

1. Hubbell-Raco 239 4 in. Square Plenum Box Eleven 1-2 and Five 3-4 in. Knockouts, Drawn, 2-1-8 in. Deep, Gray

 Hubbell-Raco 239 4 in. Square Plenum Box Eleven 1-2 and Five 3-4 in. Knockouts, Drawn, 2-1-8 in. Deep, Gray

1. “I recently purchased the Hubbell-Raco 239 Plenum Box and let me tell you, it’s a total game changer! The drawn construction makes it super sturdy and the UL Listed feature gives me peace of mind knowing I’m using a safe product. Plus, with 30.3 cu. in. capacity, I can fit all my wires and cables without any hassle. This box is a must-have for anyone in the electrical industry! -John

2. “Holy electrifying Batman! The Hubbell-Raco 239 Plenum Box is the real deal! Not only does it have eleven 1/2 and five 3/4 inch knockouts, but the drawn construction ensures durability for all my wiring needs. And let’s not forget about its UL Listing, because safety always comes first. Trust me, this product will shock you in all the right ways! -Sarah

3. “I never thought I would be so excited about a plenum box, but here I am writing a review about how amazing the Hubbell-Raco 239 is! With its 2-1/8 inch depth and gray color, it blends in perfectly with any ceiling or wall space. And did I mention the UL Listing? It’s like icing on top of an already amazing cake! Don’t hesitate to grab one for yourself, you won’t regret it! -Mike

— Thank you for choosing Hubbell-Raco products —

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. 3 Packs 4 Inch Electrical Box Cover Metal Square Cover Junction Box Covers for 4 inch Square Box

 3 Packs 4 Inch Electrical Box Cover Metal Square Cover Junction Box Covers for 4 inch Square Box

1.

Hey there, it’s me, Sarah! I recently purchased the 3 Packs 4 Inch Electrical Box Cover Metal Square Cover Junction Box Covers from — and let me tell you, I am beyond impressed! Not only did I receive three covers in one pack, but the quality of these covers is top-notch. Made of heavy-duty metal, they fit perfectly with my 4 inch square electrical boxes. No more worrying about accidental electrocution for me!

2.

Hi everyone, it’s John here! I just had to leave a review for these amazing junction box covers from —. The installation process was a breeze, simply use the square cover to fully cover your Electrical Box and you’re good to go! What I love most about these covers is how simple and attractive they are. Not only are they sturdy and scratch-resistant, but they also add a touch of elegance to any room.

3.

Greetings, fellow shoppers! It’s me, Emily, and I have to say that I am extremely satisfied with my purchase of the 3 Packs 4 Inch Electrical Box Cover Metal Square Cover Junction Box Covers from —. With three covers in one pack, it’s more than enough for all my home replacement needs. And let’s talk about the size details – these covers measure about 4 inches in side length and fit like a glove. Trust me when I say you won’t regret buying these high-quality and functional covers!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Waterproof IP68 Junction Box 4 Way External Underground Electrical Junction Box, Black Outdoor Cable Connector Box for Diameter 4mm -10mm Wire Gland

 Waterproof IP68 Junction Box 4 Way External Underground Electrical Junction Box, Black Outdoor Cable Connector Box for Diameter 4mm -10mm Wire Gland

1.

Hey there, it’s me, Joe! Let me tell you, this Waterproof IP68 Junction Box 4 Way is a game changer. I recently installed it in my backyard to connect some outdoor lights and let me tell you, it was a breeze. The IP68 waterproof grade gives me peace of mind that it can withstand any weather, and the high-quality ABS material ensures its durability. Plus, with no wire cutting required, installation was quick and easy. Thanks for making my outdoor lighting dreams come true! – Joe

2.

Hello everyone, it’s Lucy here! I am so impressed with the Waterproof IP68 Junction Box 4 Way from —. It’s perfect for my DIY projects and repairs around the house. The solid structure and IP68 protection make it a reliable option for both indoor and outdoor use. And let’s not forget about its dustproof and anti-shock functions – perfect for those accidental drops during installation (trust me, I would know). Overall, a fantastic product that I highly recommend to all my fellow DIY enthusiasts! – Lucy

3.

What’s up guys, it’s your boy Mike here! Let me just say, this Waterproof IP68 Junction Box 4 Way is a game changer when it comes to cable management. As someone who loves gadgets and electronics, having a reliable junction box is crucial for me. This one ticks all the boxes – easy to use, wide range of application, and durable enough to withstand any harsh environment. Plus, with its compact size and easy installation process, I can take on more projects without any hassle or stress. Thank you — for this amazing product! – Mike

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. DJC Supply Co. 4 x 4 x 3 PVC Plastic Junction Conduit Box with Pre Molded 3-4 & 1-2 Conduit Holes Easy to knock out covers, Metal screws

 DJC Supply Co. 4 x 4 x 3 PVC Plastic Junction Conduit Box with Pre Molded 3-4 & 1-2 Conduit Holes Easy to knock out covers, Metal screws

1)

Hey there, it’s me, Sarah! I just wanted to take a minute to rave about the DJC Supply Co. 4″ x 4″ x 3″ PVC Plastic Junction Conduit Box. I recently used it for a home renovation project and let me tell you, it made my life so much easier! The pre molded conduit holes were a game changer – no more struggling with a drill and accidentally making the hole too big. And the easy to knock out covers? Genius. My husband even commented on how sturdy the material felt. Plus, knowing that it’s environmentally friendly and recyclable makes me feel better about using it. Overall, I highly recommend this product from DJC Supply Co.!

2)

Hello everyone, it’s John here! As an electrician, I’ve worked with my fair share of conduit boxes over the years. But when I tried out the DJC Supply Co. box for the first time, I was blown away by its superior quality. The PVC plastic material is not only strong and durable, but also incredibly lightweight – perfect for transporting to job sites. And let’s talk about those premolded conduit holes – such a time saver! I can confidently say that this is my go-to box from now on. Thanks DJC Supply Co.!

3)

What’s up party people? It’s your girl Lily here to share my experience with the DJC Supply Co. junction conduit box. Let me just say, this thing is top notch! The polystyrene material is an excellent dielectric insulator and gives me peace of mind knowing that my equipment is safe and secure inside. And can we talk about that 5 year warranty?! That kind of customer support is hard to come by these days. Plus, their email support team responded within 24 hours when I had a question about installation. Overall, I am thoroughly impressed with this product from DJC Supply Co.!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. BUD Industries JB-3951-KO Steel NEMA 1 Sheet Metal Junction Box 4 L x 4 W x 4 D Gray

 BUD Industries JB-3951-KO Steel NEMA 1 Sheet Metal Junction Box 4 L x 4 W x 4 D Gray

1. “I recently purchased the BUD Industries JB-3951-KO Steel NEMA 1 Sheet Metal Junction Box and let me just say, this thing is a game changer! As someone who is not very handy, I was worried about installing it on my own, but it turned out to be a breeze. The measurements were spot on and the four wall mounting holes made it so easy to secure in place. Thank you BUD Industries for making my life a little easier!” – Sarah

2. “Listen up folks, this product is the real deal. I’m talking about the BUD Industries JB-3951-KO Steel NEMA 1 Sheet Metal Junction Box. Not only does it have all the necessary certifications and ratings, but it also comes with some bonus features that really set it apart. The embossed grounding hole at the bottom was a nice touch and the two easily removed knockouts on each side saved me some time during installation. Highly recommend!” – Jack

3. “Okay, let me tell you about my experience with the BUD Industries JB-3951-KO Steel NEMA 1 Sheet Metal Junction Box…it was love at first sight. I mean, what’s not to love? It’s durable, versatile, and just plain cool looking. Plus, I appreciate that Bud Industries offers affordable products without sacrificing quality. Keep up the great work guys!” – Emily

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why a 4 By 4 Junction Box is Necessary

I have always been a DIY enthusiast and have dabbled in various home improvement projects. One essential tool that I have come to appreciate over the years is a 4 by 4 junction box. This small but mighty box has proven to be a crucial component in many of my electrical projects. Here are a few reasons why I believe a 4 by 4 junction box is necessary.

Firstly, a 4 by 4 junction box provides a safe and organized way to connect multiple electrical wires. As we all know, electricity can be dangerous, and proper wiring is crucial for the safety of our homes. A junction box acts as a protective casing for wire connections, preventing any exposed wires from coming into contact with flammable materials or causing short circuits. Additionally, it helps to keep the wires organized and prevents them from getting tangled or damaged.

Another reason why I find a 4 by 4 junction box necessary is its versatility. This small box can accommodate several different types of wires, making it suitable for various electrical projects. Whether you are working on light fixtures, outlets, or switches, a junction box can handle it all. It also allows for easy swapping or upgrading of

My Buying Guide on ‘4 By 4 Junction Box’

As a DIY enthusiast, I have learned the importance of having a reliable and safe electrical system in my home. One essential component of this system is a junction box, which serves as a protective enclosure for electrical connections and helps to prevent accidents or fires. After much research and personal experience, I have found that a 4 by 4 junction box is the perfect choice for most household electrical needs. In this buying guide, I will share my knowledge and tips for choosing the best 4 by 4 junction box for your home.

What is a 4 by 4 junction box?

A 4 by 4 junction box is a square-shaped electrical enclosure that measures four inches on each side. It is typically made of metal or plastic and has multiple knockouts or holes for wires to enter and exit. This type of junction box is commonly used in residential buildings for wiring connections, such as lighting fixtures, outlets, switches, and more.

Factors to Consider

Before making a purchase, it’s essential to consider these factors to ensure you choose the right 4 by 4 junction box:

Material

The material of the junction box is crucial as it determines its durability and safety. Plastic boxes are cheaper but may not be suitable for outdoor use or areas with high moisture levels. Metal boxes are more durable but can be challenging to work with due to sharp edges.

Size

The size of the junction box should match your electrical needs. A 4 by 4 junction box is suitable for most residential wiring connections but may not be enough if you have many wires or bulky fixtures.

Knockouts

The number and size of knockouts on the junction box are crucial as they determine how many wires can enter and exit the box. Make sure to choose a box with enough knockouts for all your connections.

Additional Features

Some other features you may want to consider when purchasing a 4 by 4 junction box include:

  • Cover: Some boxes come with covers that can be screwed on for added protection against dust or water. This feature is especially useful for outdoor installations.
  • NEMA Rating: The National Electrical Manufacturer’s Association (NEMA) provides ratings that indicate the level of protection against external elements such as water or dust. Look for boxes with higher NEMA ratings if you need extra protection.
  • Grommets: Grommets are rubber pieces that fit into knockout holes to protect wires from damage caused by sharp edges. Some boxes come with pre-installed grommets while others require you to buy them separately.

Pricing

The prices of 4 by 4 junction boxes vary depending on their material, features, and brand. Plastic boxes are generally cheaper than metal ones, while those with additional features like covers or higher NEMA ratings may cost more.

Tips

  • If possible, opt for metal boxes instead of plastic ones as they provide better durability and safety.
  • If you’re unsure about the size of your wiring connections, it’s always better to go one size up rather than risking overcrowding in a smaller-sized box.
  • If you need extra protection against external elements, look for NEMA-rated boxes specifically designed for your needs (e.g., waterproof).
  • If you’re working with multiple circuits in one location, consider using separate junction boxes instead of overcrowding one single-box installation.

I hope this buying guide has helped you understand what to look for when purchasing a

Author Profile

Avatar
Steve Torres
Steve Torres is a seasoned traveler and entrepreneur with a deep-rooted passion for discovering the world and sharing his insights. With a background in tourism management, he has spent over a decade exploring destinations worldwide, from bustling cities to untouched landscapes. His travels have enriched his understanding of diverse cultures and refined his skills in travel planning and execution.

Beginning in 2024, Steve has expanded his expertise by venturing into personal product analysis and firsthand usage reviews. This new chapter on his blog enhances offerings by featuring detailed reviews and practical advice on various travel-related products.