Junction Boxes

Shop electrical junction boxes and telecom enclosures for protecting wiring, cable connections, terminals and installed equipment. Designed for commercial and industrial infrastructure, these enclosures help organize electrical components while shielding connections from moisture, dust, debris and physical damage.

This collection features steel, galvanized steel, carbon steel, aluminum, PVC and polycarbonate junction boxes for indoor and outdoor installations. Available options cover NEMA 1, NEMA 3R, NEMA 4, NEMA 4X and NEMA 12/13 configurations, along with screw-cover, hinged-cover, locking and wall-mounted designs.

Junction boxes support electrical distribution, telecommunications networks, broadband systems, cell sites, data centers, EV charging infrastructure and industrial control applications. Weather-resistant and waterproof electrical boxes provide durable housing for connections in exposed locations, while general-purpose enclosures support protected indoor installations.

Explore additional electrical enclosures, box covers, electrical box accessories and conduits and accessories for complete wiring installations. Launch 3 supplies junction boxes and electrical infrastructure materials for contractors, technicians and network installers.