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Electrical boxes, also known as junction boxes, enclose wire connections. They help protect against short circuits, which can cause fires. This guide describes the different types of electrical boxes, their materials and their applications. They come in many shapes and sizes to fit wherever you need them.
A junction box – also known as an ‘electrical box’, ‘jbox’, ‘or ‘terminal box’ – is a protective box where wires are interconnected. Junction boxes are often built into the plaster of a wall, in the ceiling, or within concrete.
A junction box is not a special type of box but any standard electrical box used to enclose wire splices. The most commonly used box for junctions is a 4-inch square box (either metal or strong plastic), which offers ample space for making wire connections with multiple wires or cables.
A junction box provides a safe, code-compliant space for housing cable connections for outlets, switches, or splices. They prevent potential electrical shocks, and keep sparks from spreading to flammable surroundings.
nVent HOFFMAN offers a wide selection of junction boxes available in mild steel for basic indoor electrical protection, and stainless-steel, aluminum, or non-metallic for corrosion-resistance.
Choose from our selection of junction boxes, including corrosion-resistant washdown enclosures, indoor enclosures, and more. In stock and ready to ship.
An electrical junction box (also known as a "jbox") is an enclosure housing electrical connections. [1] Junction boxes protect the electrical connections from the weather, as well as protecting people from accidental electric shocks.
In a world that runs largely on electricity, junction boxes are crucial to protecting electrical wiring systems. An electricity junction box does more than guard against damage to the wiring itself.
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