Commercial Grade Electrical Junction Boxes
At Andrews Fabrication, we specialize in designing and fabricating custom junction boxes tailored to meet the specific power distribution needs of commercial and industrial facilities. Our junction boxes are engineered for durability, efficiency, and compliance with industry standards, ensuring reliable performance in various applications.
What is a junction box?
Junction boxes serve as centralized connection points, allowing for the efficient routing of electrical power to multiple circuits or loads. They are particularly useful in settings where space optimization and streamlined power distribution are critical. By consolidating wiring and reducing the need for extensive conduit runs, junction boxes offer a practical solution for complex electrical systems.
Custom Made Junction Boxes
Our Junction Boxes come in a variety of shapes and sizes. Metal boxes are designed for use with metal conduit or metal-sheathed cables, and thus have knockouts that can be removed to make way for conduit or cable to pass into them; non-metallic cables can be used with a metal box with a suitable cable clamp though. Non-metallic boxes are typically used exclusively with non-metallic sheathed cables, and thus have built-in cable clamps but no knockouts, although a few non-metallic boxes have knockouts as they are designed for use with non-metallic conduits instead of cables.
There are also various means of mounting boxes: surface boxes are designed to mount to the surface of a wall and stick out from it (say in an unfinished or industrial area), while new work boxes are designed to mount to wall studs and be flush with the finished wall, and old work boxes mount to the opening in the finish sheathing of the wall made for the box using integral clamps.
We can powder coat your enclosure with the color of your choice. The most used colors used are below. Gray is the most standard color, but there is an option to choose other colors that may match your application better.
Special Junction Boxes
There are also extension boxes that are used to add space to an existing box or protect the inside of material that is added to an existing wall, and larger NEMA enclosures for use in larger-scale applications where standard junction boxes are too tiny, or to mount parts that don’t fit into a standard gang or to a standard knockout.
Electricians typically secure a junction box to a strong structural member such as a stud or joist, and it’s absolutely necessary if the box will be used to support a light fixture. Other types of junction boxes have wings that fit inside a cut-out drywall hole, but they will not support a light fixture. People sometimes call a receptacle box a junction box and use the words interchangeably, but a receptacle box is not a junction box.
There are a variety of electrical boxes, and names for these boxes, which range from:
Mounting box, fixture box, handy box, remodeling box, light switch box, receptacle box, outlet box, electrical box, ceiling fan box