The 6 Best 3 Gang Metal Box Covers (2023 reviews)

It’s a sturdy metal outlet cover that appears well built and of good quality. It includes 2 screws, adapters for various round outlet sizes, gfi and standard duplex. It provides a larger opening for the cords at its base that allows for easy configuration of 4 plugs without stressing the cover as compared to the plastic covers. The lockable tab can be secured with a full-size padlock so that your fittings cannot be accidentally damaged or tampered with.

The plastic knock-out included with the box will fit many standard receptacles. It is great for securing external duplex outlets. There is always the option to put something in the 1/4 inch + hole for locking the cover like a twist tie to secure it. It is a metal cover, so it ought to be pretty childproof if padlocked.

Why We Like This:

Nice heavy duty metal cover with opening at the botton for heavier cords
Good exterior cover made of metal
Easy, simple, and plenty of room for larger plugs

Best For Outdoor Receptacle: Bell old Cover

Buy on Amazon

The bell old cover's superior materials makes sure that it ages well with use. The spring on this guy is strong enough to keep toddlers out for the most part. It has technology with a patented universal fit adapter and a patented quick fit key hole mount installation that enables you to fit different size screws. It comes with a moisture barrier and has a small hole to put on a small lock/wire to keep small kids from opening the flap. The included gasket seals well against the brick and is easy to install using the screws that hold the receptacle in. It provides decent protection from the elements.

It has all the parts and inserts for either rectangular (Decora) or traditional electrical plugs. There is an adapter included for a switch application.

Why We Like This:

Great for use with intermatic timers
Easy to install for out door outlet
Very well mounted outlet cover for outside receptacles
Excellent product, precise and well designed

Best ceiling Cover: Arlington 3 Gang Metal Box Cover

Buy on Amazon

Next on the list, we've got yet another cover that manages to win our hearts. It's the arlington 3 gang metal box cover and it's widely considered as cover that has the most suitable features. This unit is designed to fit 3 1/2" or 4" boxes. It can be used on wall to cover removed light fixtures. With these there is a plastic bracket that mounts to the box (which bracket is very versatile as far as sizing of the box goes) and then these just "snap" into that bracket. It can be painted, so they blend fairly well into the ceiling. It is compatible with 3.5" and 4" ceiling boxes.

The plastic is not flat, but rounded at the edges, which gives it a soft look. It's nice to have the same size cover plate. It is perfect solution with minimal effort.

Why We Like This:

Great product to hide electrical junction box
Easy to install and a much cheaper than having a professional come out
Perfect cover for the outlet and super easy to install
Easy to install and covered the electrical box perfectly

Best With Switch: Bell 3 Gang Metal Box Cover

Buy on Amazon

Bell line of cover come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Bell product portfolio includes an expansive offering of weatherproof boxes, covers, and outdoor lighting solutions. It works as its intended, solid construction, as attractive as a cover plate can be, lots of gaskets and possibilities with the setup. It mounts to the screws of the outlets instead of screwing into the box. It is dark and keeps you lights on.

The cover catches on the latch point and holds it open about a quarter of an inch. It can be used in the school play ground area. It has a habit of turning the switches off as you close the covers.

Why We Like This:

Waterproof means you can submerge into the water
Has optional inner covers included you could use any one you need as combination
Good quality, sturdy, not cheaply made, all parts are metal, except the foam gaskets

Best Quality Electrical Cover: Airmont products 3 Gang Metal Box Cover

Buy on Amazon

These unused electrical box covers are extremely simple to use. This one fits typical round ceiling box with a 2.75" screw pattern. It is used to temporarily cover electrical boxes that are installed during construction for future use with light fixtures or wall sconces. If you need a longer screw, these are standard machine screws and easy to substitute.

This blank ceiling cover is manufactured to use with round or octagon shaped electric boxes. It is perfect for covering up mistakes like tears or imperfections, or simply covering unused electrical boxes in the sheetrock or drywall. It is crafted from premium quality metal and painted white, so they look great on any ceiling. These cover-up plates are designed to be used with a round junction box or electrical box that is 3-1/2 inches in diameter.

Why We Like This:

Inches round and has two small screw holes
Good investment for long term

Best Weatherproof: Taymac 3 Gang Metal Box Cover

Buy on Amazon

This item goes on top of exciting paddle switches, but they are covers, not switches. It comes with hubbell’s backing, and the taymac brand continues to flourish by setting the standard with innovation of "in-use" cover technologies. The product itself looks nice, heavy duty, and water proof. The tighten up all of the four screws making sure that the box cover is securely against the box. This will approximately line up for the second screws in the cover to be inserted into the second of the threaded holes in the switch.

These are much better looking than other waterproof switches, but they are covers, not switches. This cover does the job of making an electric shock impossible, while not looking ridiculous.

Why We Like This: