A split type junction box is a versatile electrical enclosure designed to facilitate safe and organized wiring connections. By: Thor, Senior Electrical Engineer at Weisho Electric Co. He's deeply familiar with electrical standards and application needs in Europe and North America. At JSL Material Eléctrico, we provide a complete protection system for electrical junctions, covering all project requirements: from the quickest and most direct installation to applications demanding the highest technical rigor. Suitable for simple and quick surface-mounted installa-tion for wiring circuits, such as lighting, connection of electrical. An electrical junction box, also known as a “ J-box ”, is an enclosure used to connect, terminate, and protect electrical wires from damage and the elements. General-purpose junction boxes are ideal for use in roof cavities, while PVC junction boxes for conduit applications are perfect for exposed. The junction boxes are supplemented by a range of optional equipment, making installation quick and easy. The boxes that are suitable for wet areas have been manufactured using a two-component technology and include membrane cable entries. The knock-out membranes operate as gaskets.