8 best electrical outlet boxes

Electrical outlet boxes, also known as junction boxes or electrical boxes, are essential components in electrical systems. They serve various purposes and are crucial for safety, organization, and protection in electrical installations. Here's what you need to know about electrical outlet boxes:

  1. Purpose and Function:

    • Safety: Electrical outlet boxes are primarily designed to enclose electrical connections and components, providing protection against electrical shocks and fire hazards.

    • Organization: They help organize and contain electrical wiring, making it easier to manage and maintain electrical systems.

  2. Types of Electrical Outlet Boxes:

    • Metal Boxes: These are typically made of steel or aluminum and are commonly used in commercial and industrial applications. They are durable and provide excellent protection.

    • Plastic Boxes: Plastic outlet boxes are often used in residential applications because they are lightweight, easy to install, and less likely to conduct electricity.

    • Weatherproof Boxes: These boxes are designed for outdoor use and are constructed to protect electrical connections from environmental elements like rain, snow, and dust.

    • Fan and Fixture Boxes: These boxes are specially designed to support ceiling fans, light fixtures, and other heavy electrical devices.

    • Old Work Boxes: Old work boxes are used for retrofitting or adding electrical outlets in existing walls or ceilings. They can be installed without tearing out the entire wall.

  3. Installation:

    • Electrical outlet boxes are typically installed during the construction or renovation of a building. They are placed at specific locations where electrical outlets, switches, or fixtures will be installed.

    • The electrical wiring is connected within the box, and the box is secured to the framing or wall structure.

  4. Components:

    • Box Cover: Most electrical boxes have a removable cover that allows access to the wiring and devices inside.The cover is usually secured with screws.

    • Knockouts: Knockouts are openings in the box that can be removed to accommodate conduit or cable connectors.

    • Clamps: Clamps or cable connectors are used to secure and protect the incoming and outgoing electrical cables.

    • Grounding: Electrical boxes are typically grounded to ensure electrical safety. Grounding conductors are attached to the box and connected to the grounding system of the building.

  5. Code Compliance:

    • Electrical outlet box installations must comply with local electrical codes and regulations to ensure safety and proper functionality.

    • Codes may specify the type of box to be used, its location, and the maximum number of conductors allowed inside.

  6. Size and Capacity:

    • Electrical outlet boxes come in various sizes to accommodate different wiring configurations and devices. It's essential to choose the right size box for your specific application.

In summary, electrical outlet boxes are critical components in electrical systems, providing safety, organization, and protection for electrical connections. They come in various types and sizes, and their installation must adhere to local electrical codes and standards to ensure the safety of the electrical installation.

Below you can find our editor's choice of the best electrical outlet boxes on the market
  

Carlon B114R-UPC Lamson Home Products Number-1G Old Work Box Pack of 3, blue

Carlon

Based on 1 reviews Check latest price

Product description

For old work applications Durable PVC construction 14 cubic inch capacity Includes mounting ears and swing clamps 2 hour fire rating Blue

  • Carlon B114R-UPC Lamson Home Products Number-1G Old Work Box Pack of 3

User questions & answers

Question: how deep are the tabs
Answer: Tabs will go as deep as 1 1/16 inch
Question: What size rectangular hole do I need to cut in the sheet rock for this to fit
Answer: 3 3/4" tall 2 1/4" wide. This would be your basic rectangular hole. The 4 mounting tabs protrude beyond the aforementioned dimensions . The Upper right/ lower left tightening ears lay flat until you begin tightening them. Richard T. · 2 years ago
Question: What is the depth of the box
Answer: 2.75"
Question: What are the deminsions of this individual product
Answer: 3 3/4" tall 2 1/4" wide. This would be your basic rectangular hole. The 4 mounting tabs protrude beyond the aforementioned dimensions . The Upper right/ lower left tightening ears lay flat until you begin tightening them.

Madison Electric Products MSB1G One Gang Device Box with Depth Adjustable, Heavy Duty 42lb, Gray

Madison Electric Products

Based on 2 reviews Check latest price

Product description

One Gang Device Box - The Original Smart Boxes are unmatched in versatility in new work locations where you cannot swing a hammer, or where final wall surfaces are uncertain, like kitchens and baths. They are unmatched in old or retrofit work applications because they are always mounted to a stud. Before Smart Box all other manufacturers hung their cut boxes on flimsy 3/8 or 1/2 sheet rock, or even worse lathe and plaster. Our Original Smart Boxes are unmatched in adjustability, as they are molded entirely of 1 piece with no moving parts to break or lose.

  • Depth Adjustable
  • Heavy duty 42 lb. mounting screws supplied
  • Mounts to wood or metal stud 25g
  • Extra thick PVC wall material creates stability and rigidity
  • UL Listed
  • Madison Electric is now part of the Southwire family. Product packaging may vary.

User questions & answers

Question: Hi, does this box accept a nema l14-30r locking receptacle? thks
Answer: Yes, the hole of this charm is 4.3mm / 0.17In. It is compatible with Pandora, Chamilia, Kay, Troll, Carlo Biagi, Zable or other european jewelry.
Question: Do the mounting screws need to be grounded
Answer: Yes, this emostar charm is made of real 925 sterling silver. The charm is engraved with S9235 stamp.
Question: Is it the price for just 1 box
Answer: No, Only one side is engraved with ''forever love''.
Question: will a CGFI outlet fit in this box
Answer: I'm not sure. Pandora has a couple of different charm bracelets and necklaces. I'm sure one of them will fit this charm.

Product features

Southwire Tools and Equipment: Built For Durability. Built For Reliability. Built For Work.

Southwire Tools & Equipment provides a comprehensive line of top-quality hand tools, meters, testers, lighting, extension cords, temporary power solutions and contractor equipment. Built for durability. Built for reliability. Built for work.

Greenfield B23BRS Series Weatherproof Electrical Outlet Box, Bronze

Based on 263 reviews Check latest price

Product description

Greenfield, B23BRS, 1 Gang Weatherproof Electrical Outlet Box with Three 1/2 in. Holes - Bronze - Made in the U.S.A. by Greenfield Industries, Inc., Freeport, NY.

  • Made in the U.S.A
  • UL Listed, Weatherproof
  • Diecast aluminum alloy, Durable powdercoat finish, Corrosion resistant
  • Easy to install

User questions & answers

Question: Do I put the fixture screws in the bigger hole or the small ones
Answer: I would say as many as you want since it’s an open link bracelet.
Question: I am looking for one larger than 2", what is the depth of this box
Answer: Dear friend, I am sorry for that. we don't do like that.
Question: Does the 23 define this as 23 cubic inch which refers to extra depth in the box? Thks
Answer: No
Question: How do you mount this on a post? The only option I can see is to use a punch/hammer to knock out the 2 areas with a bump in the back. Is this correct
Answer: Yes I've found out
Question: How do you feed 2 #12 Cables in through the top? I see an internal clamp for #14 and #12. It doesn't look like these are large enough for 2 cables
Answer: No
Question: Will this box allow for installation of bulky usb charging outlets
Answer: Hola
Question: exactly what is "depth adjustable?" I need to adjust face of plug/switch to match backsplash added later
Answer: There’s no specific size, but it runs small.
Question: I see "42 lb." in the title... Is this box capable of having a 10 lb. light mounted to it
Answer: I brought this bracelet maybe 2 or 3 years ago and it still has it's gold tone, so I guess it depends on how much you wear the bracelet.
Question: Looking to mount a nema 14-50 240v with 6awg in an existing wall. will this work or can you recommend something for "old work"? thanks
Answer: Hello, no. I don't have it, I received the product without box.
Question: is it possible to attach 2 separate cover plates side by side
Answer: I honestly don’t remember because it’s been a while, but I’m pretty sure it does not
Question: W/outlet & switch installed via the device holes (this box in an exterior wall), a weatherproof cover could install via holes of the outlet/switch
Answer: No it is not like a Pandora.
Question: There are no cable mount screws or brackets. How do you keep a cable from being pulled out? What is the best way to cut the cable openings
Answer: Yes this is a real brand and it’s the size of a normal pendent. It will not change colors
Question: Is this for 100 as stated? I see customer complaints that they only received one
Answer: Regular size it should fit anybody
Question: How many cubic inches are these particular boxes
Answer: This bracelet is 7.5 inches long. It has a toggle closure so it is not adjustable.
Question: What connectors are needed to secure the cable at the entry point
Answer: HI SIR , The charm hole 4.8-5.0mm , fit James Avery bracelet od size 3.0mm-5.0mm . thanks
Question: Is this a pack of 100? or a single box
Answer: The Hole Size is about 4.8mm~5.0mm.fit pandora Bracelets
Question: Are these ul listed? csa? any other visible markings
Answer: Thank you for contacting us. are you worried about allergies? if you are allergic physique, please buy sterling sliver item, because the material of this item you like is copper, which may contain a little of nickel. of cours usually the amount of nickel is very safe for many people.
Question: Is this a pack of 100? or a single box
Answer: HI SIR, sorry, there is no stock before, and it has been put in storage today, you are welcome to click again to buy November colors...Thank you,,,,

Product features

Southwire Tools and Equipment: Built For Durability. Built For Reliability. Built For Work.

Southwire Tools & Equipment provides a comprehensive line of top-quality hand tools, meters, testers, lighting, extension cords, temporary power solutions and contractor equipment. Built for durability. Built for reliability. Built for work.

Southwire Tools and Equipment: Built For Durability. Built For Reliability. Built For Work.

Southwire Tools & Equipment provides a comprehensive line of top-quality hand tools, meters, testers, lighting, extension cords, temporary power solutions and contractor equipment. Built for durability. Built for reliability. Built for work.

Hubbell-Bell PSB37550GY Single-Gang Weatherproof 1/2-Inch or 3/4-Inch Outlets, Gray Finish

Hubbell Bell

Based on 1 reviews Check latest price

Product description

Weatherproof Nonmetallic single gang rectangular outlet box house receptacles, switches and GFCI s. Boxes may be used as a weatherproof junction box and accept 1/2 and 3/4 conduit. The boxes are designed for use in branch circuit wiring in wet, damp, or dry locations.

  • Durable high-impact PVC construction
  • Mounting hardware and installation instructions included
  • Three 1/2 inch or 3/4 inch outlets
  • Includes 3/4 inch closure plugs and reducer bushings

User questions & answers

Question: How far apart are the screw holes? Just wondering if it works out just right to screw them into the mortar between bricks
Answer: Need to hold the button down. Puts out A good light for close distances, Someone gave me one some 5+ years ago, Still works !! Probably A job to replace the battery.
Question: Will this fit a TT-30r outlet
Answer: Yes, it is. I am not sure I would soak it in water but yes you could wash your hands or get caught in the rain.
Question: What type of silicone do you use to seal the box
Answer: Yes it comes with a little box
Question: Smart wifi switch can be use or not
Answer: No it is not adjustable, sorry......

Product features

About Us

TayMac was acquired by Hubbell in April, 2012. TayMac was a perfect bolt-on to th BELL brand.

Now with Hubbell’s backing, the TayMac brand continues to flourish by leading innovation of "In-Use" cover technologies.

Box Doctor - Electrical Outlet Box Repair Clips - Fix Stripped or Damaged Wall Box - Remodel Electrical Box - 10 Pack

Based on 120 reviews Check latest price

Product description

The Box Doctor helps to secure stripped, loose, and damaged electrical wall boxes in minutes without damaging walls. Simply attach the Box Doctor clip to the broken wall box and screw the outlet into the new 6-32 thread slot. The patented design works on a large variety of wall boxes with thin walls, thick walls, single gang, multi-gang and even metal boxes. Save yourself time and money from tearing out the old wall box and having to deal with sanding drywall, patching, painting, electrician cost, and other headaches when replacing a wall box. Package includes 10 repair clips.

  • 🔌 THE EASY FIX - Use the Box Doctor to fix stripped, loose and damaged electrical boxes without damaging your wall. There's no need to recut drywall, just apply the Box Doctor for an easy fix!
  • 🔌 SECURES LOOSE OUTLETS AND SWITCHES - Repair your loose electric outlets and switches by following the simple instructions. Many wall boxes become brittle or cracked over time. Use the Box Doctor for all your wall outlet repair needs.
  • 🔌 PATENTED DESIGN - Our unique patented design works on most Plastic and Metal electric boxes from most manufacturers and vintages.
  • 🔌 FULL COLOR INSTRUCTIONS - Inside the resealable packaging you will find easy-to-read full color instructions along with your Box Doctor! Follow the step by step instructions to install your electric box clips.
  • 🔌 PACKAGE INCLUDES - This package includes 10 outlet clips and instructions for installation.

User questions & answers

Question: Do these work on round outlet boxes
Answer: Open up the back. There's a small dot of paper inside take it out. When u screw the back on again it will make a connection. The light will come on at some point as u turn it. Reverse to turn off. They are not the greatest but serve a purpose
Question: Will this work to secure a loose new-work box? I have a two gang box with one side secured to the stud and the other side is loose
Answer: These lights are for up close use not for distant use so the lumens are not that great if want more lumens than these are not for you.
Question: Will these work if the screw hole is cracked
Answer: They are 2,3/8th's L. X 1" W. X 3/8th's thick at their widest pt. Work very well, A throw away item, but i have had one that still works, over 5 years. For A dollar ??
Question: Are the slots capable of retaining the screws or do they just line up the screw
Answer: If you have ever tried to replace a battery in a wrist watch, you might want to try it. Remove 6 tiny screws, pry open, then try to figure out where some parts go back in. There are 3 LR1130 batteries, which cost about $1.50 for three - these lights are only $1 each. So, they are basically throw-away lights. But - they do last several years.

Product features

Loose Outlet or Switch? Use The Box Doctor!

THE EASY FIX - Use the Box Doctor to fix stripped, loose and damaged electrical boxes without damaging your wall. Many wall boxes become loose over time. Plastic boxes can become brittle and suffer from broken and stripped screw holes. Metal boxes can strip or rust. With the Box Doctor, there's no need to replace the broken box, just apply the Box Doctor for an easy fix!

Simply attach the Box Doctor clip to the broken wall box and screw the outlet into the new 6-32 thread slot. The patented design works on a large variety of thin and thick walled boxes, single gang, multi-gang and even metal boxes. Save yourself time and money from tearing out the old wall box. No more sanding drywall, patching, painting, calling an electrician, and other headaches when replacing a wall box.

Package includes 10 repair clips.

Box Doctor Secures Loose Switches and Outlets

Unique design works on a large variety of plastic and metal boxes from most manufacturers and vintages. The Box Doctor provides a new threaded slot to secure your loose outlets and switches.

Saves you time and frustration

Cutting out an old broken box is beyond the abilities of most DIYers and often causes additional damage to the wall. The Box Doctor works to repair your existing wall box.

Easy Installation

Most boxes can be fixed in just a few minutes. Simply follow the instructions below and watch the videos to see how easy it is! Instructions are also included in the package.

64 PCS Electrical Outlet Extender Kit Electrical Outlet Box Extender Includes 32 Pcs Outlet Spacers 32 Pcs 1-1/2 Inch 8-32 Thread Flat Head Electrical Outlet Screws for Fixing Wonky And Sunken Outlets

Gudui

Based on 4 reviews Check latest price

Product description

Electrical Outlet Box Extender with 32 Pieces Outlet Spacers and 32 Pieces Long Wall Plate Screws for Fixing Wonky and Sunken Outlets

  • Electrical Extender Outlet spacers are made of silicone material with stainless steel outlet screws, easy and convenient to fix problematic electrical box outlets.
  • 64 PCS Outlet Spacer Kit --- Electrical outlet extender kit has 32 pieces long outlet screws and 32 pieces switch and receptacle screw round straight outlet spacers tubes. Enough quantity to meet your needs and replacements.
  • Easy To Use --- Electrical outlet box extender kit is the easiest way to quickly fix wonky or sunken outlets that aren’t installed quite right, and it works well with single or multiple gang electrical boxes. Just measure the length you want, cut the silicone gasket and tighten the screws in place, make all outlets aligned and leveled perfectly.
  • Non Conductive Spacers --- Outlet extender spacer are made of premium silicone with 70 hardness. Holds screw securely as place, non-conductive, easy to measure and cut to any length you want, repair grooves at any height so that the socket is flush with the wall.
  • Long Outlet Screws --- Electric outlet screws are made of stainless steel, sturdy and durable. Extra Long 1-1/2 inch 8-32 thread flat head wall plate screws for most sized recess. The outlet screws can be simply slide through the outlet tools and also can easily be adjusted to the depth you want; You may need longer screws when make use of the entire length.
  • Wide Application --- This electric outlet box extenders work with almost any material, it can be installed in granite, wood, marble, ceramic tile, back baffle or even drywall. ANY PROBLEM with the purchasing, please feel free to contact us and we will provide you a satisfying reply within 24 hours

User questions & answers

Question: What size opening do you need for this box to fit into
Answer: The factory package does not include a USB cable. You can check the listing below for one that includes a charging cable. https://www.amazon.com/NITECORE-TUP-Rechargeable-Everyday-Flashlight/dp/B07KFRXT13/ref=sr_1_4?ie=UTF8&qid=1550260454&sr=8-4&keywords=nitecore+tup
Question: This states a pack of 1. Is it one case or just one electrical box
Answer: Do not buy these. they are absolute crap. One was broken when I got it.. They are about 2 1/4 inches long to answer your question.
Question: How deep is this box
Answer: yes they come with batteries. I would not buy these though. They are horrible quality and pretty much useless. One of mine came broken in the pack and the rest did not even work well.
Question: Will a GFI fit in this box
Answer: hi, dear. it is easy. When you see it, you know. just turning the head, to turn on and off. thank you

Product features

GUDUI Electrical Outlet Extendet Kit

The easiest way to quickly fix wonky or sunken outlets that aren’t installed quite right.

- Each one of your electrical outlets should sit snugly in your walls for support, these extenders to push the receptacle forward and make it flush with your walls.

- Spacer and screws can help to steady floating outlets and make them more secure and stable

- Work well for recessed or floating electrical outlets. No more worry about that the outlets will loosen

Use With Various Wall Materials

  • Fits for most kind of wall materials
  • Fixing a recessed, floating, or wonky electrical outlet is more than just aesthetics and function; it's all about safety as well.
  • Improperly installed outlets are serious fire hazards since the loose wires behind them can cause sparks that may eventually escalate to full-scale fires.

RVGUARD 50 Amp 125/250 Volt RV/EV Power Outlet Box, Enclosed Lockable Weatherproof Outdoor Electrical NEMA 14-50R Receptacle Panel, ETL Listed

Based on 219 reviews Check latest price

Product description

About RVGUARD

The first RVGUARD RV power cord was produced in China and sold to USA in 1996. After that, 500 styles of our RV parts and accessories has been introducing to USA and Canada. RVGUARD has become one of the industry leader for products that make you a very comfortable RV.

We are dedicated in offering more and more ideal solution to your RV. Hopefully, RVGUARD can be a very reliable mate of your cozy RV.

Note: Search "RVGUARD" on Amazon, find more RV accessories.

  • 【ETL listed】 ETL Listed and Outdoor Rated NEMA 14-50R receptacle 125/250V
  • 【WITH LOCK】RVGUARD power outlet box elevated cover with padlock prevents unauthorized use. Anti-theft lock enclosure.
  • 【EASY TO INSTALL】There are 3 good solid construction konck-out on the bottom and sides of RVGUARD sturdy RV receptacle box, which are options for you to connect conduit. You can choose to knock it out or just through the wire on the top.
  • 【ENOUGH SPACE】RVGUARD power outlet box has enough room to close the door while plugging in the 30A RV cord even with a big handle or heavy duty very stiff rated wire. Also, lid can be positioned to stay up while working on the box.
  • 【WEATHERPROOF】High-quality box, can be installed outdoors and indoors, used in your motorhome, EV car, generator, welder ect.

User questions & answers

Question: what size wire 50 ft
Answer: /Duration 0:55Loaded: 0.00%Stream Type LIVESeek to live, currently playing liveLIVERemaining Time -0:55 Playback Rate1xChaptersChaptersDescriptionsdescriptions off, selectedCaptionscaptions off, selectedAudio TrackFullscreenThis is a modal window. .noScriptDisplayLongText { display : none; } .noScriptNotDisplayExpander { display : none; } .noScriptDisplayLongText { display : block; } The little light is very mini small bright guy,only 60mm/2.4inch length and 14mm/0.5inch width diameter, so small but so bright.!
Question: What brand of hub does it require to use the top hole
Answer: All depends on how bright you have it. 1000 lm 24 minutes 1 lm like 75 hours
Question: Can this be used for an AC condenser? Is the plug included or is it just the housing
Answer: Very reliable, This compact light boast a 1000 Lumens , its very bright, u will not be disappointed
Question: Could a hole be drilled in the back of the box so that the wire could get directly to the box with the without exposure to the environment
Answer: Same problem I had. There's a small circuit for modes, display etc. that is a small drain but in my case killed the battery in about 3 weeks. Would need charging weekly to be reliable. Returned unit.

Product features

RVGUARD 50 Amp 125/250 Volt RV/EV Power Outlet Box

RVGUARD 50 Amp power outlet box quickly power for the refrigerator, air conditioner, microwave oven, roaster, kettle, lamp and other household appliances.

If you have EV Charge adapter you can charge your electric vehicle too

Power for RV
Power For EV
More Space

Compared with other RV power receptacle, our power outlet box have more space. So that you can close the box entirely even when your RV, trailer is connected to power box.

Protect your cord

There is a round metal button at the bottom of the box, you can open the box lid after pressing it.

Beside the metal round button is a round hole, you can lock the box with an anti-theft lock. Prevent your cables from being stolen

Greenfield RB25WS Series Weatherproof Electrical Outlet Box, White

Greenfield

Based on 275 reviews Check latest price

Product description

Greenfield, RB25WS, 4 in. Round Weatherproof Electrical Outlet Box with Five 1/2 in. Holes - White - Made in the U.S.A. by Greenfield Industries, Inc., Freeport, NY.

  • Made in the U.S.A
  • UL Listed, Weatherproof
  • Diecast aluminum alloy, Durable powdercoat finish, Corrosion resistant
  • Easy to install

User questions & answers

Question: Does it come with knockout plugs to close it up? Which flat cover fits it
Answer: Yes, You can use markers to decorate them.
Question: How would I hold the conduit (with electrical cable) in place after I insert the conduit in one of the 1/2" holes
Answer: Yes, there are 10 kites in one pacakge.
Question: Does it comes with screws
Answer: I don’t think it would work that well. The material is more plastic than cloth or paper. Markers worked okay.
Question: Will this work with amico led flood light
Answer: 2 1/4 inches

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