Bud Industries
Metal junction box is ideal for heavy duty service
This heavy-duty steel junction box is well suited for a variety of junction and pull box electrical applications. Made of sheet-metal steel, it has a screw-down cover, and it is available with or without knockouts. It is NEMA 1 rated.
We also have a metal junction box with a hinged cover.
Steel boxes have obvious advantages over plastic. They don’t melt, crack, or warp. Metal costs more than plastic, but it provides a strong and secure environment for wiring junctions.
Our boxes are made of sturdy, 16-gauge steel and range in size from 4 inches high x 4 inches wide x 3 inches deep up to 10 inches high x 8 inches wide x 6 inches deep. Typically, our customers use them in industrial and commercial applications. Usually, they mount them on the surface of a wall or post. The boxes have holes in the back for convenient wall mounting.
Our NEMA 1 steel junction boxes have a powder-coat finish to protect them from rust. In moist environments, a plastic enclosure may be a better choice, or any enclosure with a higher NEMA or IP rating that includes protection from liquids and dust . Bud offers many plastic enclosures that can be used as junction boxes, including our fiberglass-infused PIP Series boxes and PTQ Series enclosures.
In addition to being wall mounted, our steel junction boxes can be installed flush with drywall. If the wall is a fire wall, then realize that you are cutting a hole in its protection; follow NEC guidelines for box location and fireproofing. Most steel junction boxes may be assumed to have a 2-hour fire rating.
Per NEC standard 250.110, all metal junction boxes must be grounded. Our boxes have an embossed hole in the bottom of the box and grounding screw for the ground wire. Typically, our customers use metal shielded electrical cable or metal conduit with metal boxes. If the conduit is grounded, then a ground wire is not necessary as the connection to the conduit provides an acceptable path to ground.
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