





⚡ Power Your Projects with Confidence — The Steel Backbone of Smart Wiring!
The Bud Industries JB-3961 is a heavy-duty, 16 gauge welded steel junction box measuring 10" x 10" x 6". It features a powder-coated gray finish, four wall mounting holes, multiple removable knockouts, and an embossed grounding hole. Rated NEMA 1 and UL Type 1, this UL-listed enclosure is engineered for industrial and medical electrical applications, combining durability, safety, and easy installation to keep your wiring organized and protected.


















| Brand | Bud Industries |
| Color | Gray |
| Finish Type | Steel,Powder |
| Material | Alloy Steel |
| Product Dimensions | 6"D |
| Style | 6 L x 10 W x 10 H Without Knockouts |
M**S
Great Auxiliary Box
Fantastic auxiliary box to main panel. I located next to main panel and ran two 1" EMT conduits to it. This allowed me to run all my Sense and Emporia circuit monitoring wiring to the BUD Industries box shown in photo to the left. This kept a rat's next of CT monitor wires out of my main panel. BUD provides a nice, inexpensive and good quality box.
J**.
Solid well built box. Heavy gauge steel. Painted. Easy access removable panel.
Sturdy steel construction. Didn’t expect it would be that solid. Comes with several punch outs Perfect junction box for receiving external conduits and the all room to accommodate 10/2 or or whatever you’re wiring. Solid box!
L**P
Exactly what I needed. Very pleased.
I bought a Bud JB-3955 WITHOUT knockouts, so i can put my own holes in. Its a nice heavy duty metal box. It measures 6" square x 4" deep. The gray paint looks nice. The holes line up well with the cover. It was a very easy purchase on Amazon. No regrets here. My local stores did not have a box like this in stock. I would definitely purchase this again.
S**N
High Quality Box
Surprisingly heavy stock. Knockouts removed as expected.
K**I
Perfect size
I needed to marry up 12Ga range wires,, aluminum to copper, and the adapter, needed a but larger J-Box. This worked fine.
M**W
Quality Box with matching cover
BUD Industries JB-3960 10x10x4 with no knockouts. Exactly what I needed and very happy with the quality of the box and that it did include the cover as shown in the description photo. Extra nice unexpected touch was manufacturers label inside the box, that stated the "UL Listed" and "400cubic inch" capacity of the box.
J**Y
Quality
Well built box
S**I
Perfect for my needs
My first time working with an electrical box and this box fits my intended purpose perfectly. I needed a large box to run some wiring through that would sit flush with the drywall on 2x4 studs. This fit the bill perfectly! I am slowly working my way through the project of adding a couple 220 circuits for the garage and a plug for my workbench. Still a work in progress but was so happy with this box that I wanted to get a review out for it as the one review with one star kind of had me worried. This box is of superb build quality and has a nice powder coat finish that will look nice enough in my finished garage. My ability to cut a proper hole in the drywall still needs some perfecting though.
Trustpilot
1 month ago
5 days ago