The 8 Best Single Gang Box Extenders (2022 reviews)

Compared with other boxes in this category, the Smart Fill Spacers Single Gang Box Extender has a design with broader appeal. The smart fill spacers single gang box extender is secure and it is current. Make sure this fits by entering your model number. In addition, this is made for concrete wall, is good for fast delivery and it does the job.

The box can be stacked in combination, available in 1/4, 3/8, and 1/2 inch sizes. Above all, the smart fill spacers single gang box extender worked fine and it is small.

Almost all customers quickly discovered that the boxes are color coded to make finding the right size easier. And, a few say that the extender comes in handy as well. Also, they strongly agree that the extender comes in different thicknesses.

Customers say that getting a single gang metal box extenders and double gang remodel box, along with box is useful.

Top Customer Quotes:

These are readily available at most hardware and bigbox stores.
These fit on the outside of the front of the electrical outlet boxes.
It is of great quality and it works well.
These fit with gfi plugs is a little tight.

Best For New Construction: Arlington Industries Electrical Box

Buy on Amazon

Next on the list, we've got yet another box that manages to win our hearts. It's the Arlington industries electrical box and it's widely considered as one of the most convenient boxes you can buy. The Arlington industries electrical box works for other standard devices and it is flat. Make sure this fits by entering your model number. In addition, the extender is used for handy boxes and 4-inch square electrical boxes with plaster rings for single switches or receptacles.

The box is non-conductive, has a mounting screw and it worked fine. Finally, the Arlington industries electrical box is good for pretty good quality, is white and it works well.

Almost all customers quickly discovered that the boxes were too tall to fit the boxes. In addition, a few strongly agree that the extender is great for correcting poor fit or installation of switches or outlets. And, they say that the extender is a good fit for tile work. To sum up, for most buyers, Arlington Industries product was what they were looking for.

Customers discovered that getting a recessed single gang box and wire gang box, along with box is useful.

Top Customer Quotes:

This will not support the screw that attaches the plug to the original box.
This is perfect for extending some outlet/switch boxes in molding.
This will extend the box so that the wall outlet screws into an extension.
This works as advertised, is much more and it is small.

Best With Flange: Receptxtenders Outlet Box Extender

Buy on Amazon

Next on the list, we've got yet another box that manages to win our hearts. It's the Receptxtenders Outlet Box Extender and it's widely considered as the box that has the most suitable features. The receptxtenders outlet box extender is secure, fits snuggly and it is great for good quality. Don't get surprised when you expose the box in the wall, with receptxtenders, the extender will fit. This feature assures receptxtenders outlet box extender meets all electrical codes.

The box fits all types of electric outlet boxes. Above all, the receptxtenders outlet box extender is white and it saves time.

Almost all buyers found that the box came with screws for this purpose. In addition, they also found that the extender was out of sellers control, yet they responded promptly and went the extra mile. In addition, they strongly agree that these are normally $ 1-2$ a piece at a big box store. In conclusion, many buyers have used the receptxtenders outlet box extender for more than a few months without letup, and it shows no sign of giving up.

Customers discovered that getting a extension two gang box and single gang metal box extenders, with this extender made their life much easier.

Top Customer Quotes:

This is designed to work with both pvc and metal receptacle boxes.
This is great for building and it is easy to find.
The only extension rings or extenders to work with every style box made.
This fits all outlet box styles, pvc, metal, fiberglass.

Best For Great Price: Arlington Single Gang Box Extender

Buy on Amazon

The best part: Arlington single gang box extender costs comparatively low and it is available to ship in 24 hours. The Arlington single gangbox extender is very flexible and it is very sturdy. Make sure this fits by entering your model number. Moreover, the extender worked fine, would be perfect with excellent quality and it is made for good value.

Most importantly, the Arlington single gang boxextender works for other standard devices and it does the job.

Most buyers quickly discovered that the box allows for easier cutting and is also great for those metal electrical boxes that are too far inside the wall. In addition, a few also found that the nec allows 1/8 " recession on a box if the material is non - combustible, but no recession if the material is combustible.

Few customers bought wire gang box and recessed single gang box, along with the box.

Why We Like This:

Automatically levels and supports outlets, switches, gfcis, and other standard devices.
This is expected more, overall and it is great for a great price.
Compliant with 2008 NEC article 314.2.
This has a mounting screw, is modern and it is small.

Best For Other Standard Devices: Arlington Electrical Box

Buy on Amazon

If you want nothing but an extender that is suitable, this Arlington Electrical Box is certainly a wise investment. The Arlington electrical box is manufactured from 94vo rated flame retardant plastic for safer installations, two hour fire rating. Make sure this fits by entering your model number. Also, the box is non-conductive and it is white.

The box is used for handy boxes and 4-inch square electrical boxes with plaster rings for single switches or receptacles. Most importantly, the arlington electrical box is used for extending electrical boxes up to 1-1/2-inches.

Most buyers find that the box comes with two much longer screws that you use on your switch or outlet. In addition, they strongly agree that the extenders are perfect to bring the outlets/switches to the proper depth and stabilize the receptacle. Obviously, this extender passed the test and had very satisfied buyers eager to share their experience.

Customers found that buying a single mud ring double gang box and wire gang box, along with extender is useful.

Top Customer Quotes:

This is what is safer and works better than those options at many hardware stores.
Compliant with 2008 NEC article 314.2.
This is great for professional look, works great and it is good overall.
Automatically levels and supports outlets, switches, gfcis, receptacles and other standard devices.

RELATED: Best Ex I Junction Boxes

Best With Part Number: Arlington Industries Single Gang Box Extender

Buy on Amazon

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate box. The Arlington industries singlegang box extender is exactly that - it's a simple box that hits all the right notes. The Arlington industries single gangbox extender is non-conductive, is hot and it works well. Make sure this fits by entering your model number. Moreover, it found this one and it is compatible with the manufacturer part.

Above all, the Arlington industries singlegang box extender is neutral and it is great for good quality.

Most customers opine that the extender will compensate for large openings in the wall and boxes set back too deep. Also, a few say that the extender is easy to use and provides the extra space needed to install ground fault receptacles. In short, buyers found this to be one of the best extenders for daily purposes.

Customers say that buying a wire gang box and recessed single gang box, along with extender is useful.

Why We Like This:

Good brand reputation.
Lot of satisfied buyers.

Best For Light: Receptxtenders Single Gang Box Extender

Buy on Amazon

The Receptxtenders line of extenders comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Receptxtenders Single Gang Box Extender is made from non-flammable and it fits snuggly. The patented rear flange allows receptxtenders electrical boxextender to fit snugly against every style box to assure no gaps are present between the existing box and your newly installed extender. The only extension rings or extenders to work with every style box made.

Most importantly, the receptxtenders single gang box extender fits all types of electric outlet boxes, safe.

Almost all customers opine that the extender is perfect for 3/4 applications.

Customers say that getting a single mud ring double gang box and single gang metal box extenders, along with box is useful.

Why We Like This:

This is designed to work with both pvc and metal receptacle boxes.
This fits all outlet box styles, pvc, metal, fiberglass.
This feature assures receptxtenders outlet box extender meets all electrical codes.
This is great for building and it saves time.

Best With Cover: Bell Single Gang Box Extender

Buy on Amazon

The Bell Single Gang Box Extender's material feels more premium than its price would suggest. Make sure this fits by entering your model number. Further, the extender comes with installation hardware, It is great for a great price and has a unique design. In short, with a 4.4 rating and more than 312 buyers, the bell single gang box extender stands as the best choice.

One customer says - "This is a high-quality extension box that allows you to extend an exterior circuit from a recessed box by providing connection points for conduit adapters. ". Most buyers quickly discovered that the box was manufactured by Hubbell inc., and was well worth its price.

Customers also discovered that its helpful to get a single gang shallow box, along with this extender.

Why We Like This:

Installation hardware, ground screw and gasket provided.
New and hot releases.