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The ATKORE JBX-4X4X4 is a 4-inch x 4-inch x 4-inch junction box constructed from encapsulated PVC (EPVC), designed for use in electrical conduit systems where moisture resistance and corrosion protection are required. This box provides a secure enclosure point for wire splices, conduit transitions, and pull points in underground or wet-location installations. Licensed electricians and electrical contractors are the primary installers of this fitting in commercial and industrial conduit runs.
This EPVC junction box is suited for direct-burial and underground conduit systems where PVC conduit is the specified raceway material. Its all-PVC construction makes it appropriate for corrosive environments, wet locations, and installations where metal enclosures are not permitted or practical. It is commonly used in site utility work, underground feeder runs, and conduit infrastructure for commercial buildings and industrial facilities.
Designed as an OEM-style fitting for use with PVC conduit systems in underground and wet-location electrical installations. No specific compatible model numbers were stated in the product data.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize all circuits before opening or working in any junction box. Solvent-weld conduit entries per the conduit manufacturer instructions and allow full cure time before backfilling or energizing. Verify that the enclosure rating is appropriate for the installation environment before mounting.
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