The Westlake JB664 PVC junction box (6″ × 6″ × 4″) provides 139.5 cu‑in of interior space in a durable, UV- and impact-resistant PVC enclosure. Equipped with gasketed cover, threaded brass inserts, and rated NEMA 1/2/3/4/4X/12/13, it's CSA and UL certified for use in residential, commercial, industrial, outdoor, and corrosive environments .
As a 100% Canadian-owned wholesaler, Evolt offers the JB664 at competitive pricing with fast shipping across Alberta & British Columbia and dedicated customer support. Get national-grade quality without inflated rebates from big-name distributors.
Frequently Asked Questions
Q: Is JB664 rated for wash-down or outdoor use?
A: Yes the gasketed cover and NEMA 4/4X rating ensure water, dust, and corrosion protection for outdoor and wash-down areas.
Q: What materials and approvals does it have?
A: Made from UV- and impact-resistant PVC, with CSA C22.2 and UL 514C listing; includes PVC gasket and brass bosses.
Q: Does it fit with rigid PVC conduit fittings?
A: Yes it's designed for use with rigid PVC conduit, the threaded brass inserts make connecting easy and secure.
Common Use Scenarios
Outdoor lighting & sensor junctions – secure wiring for patios, garages, and porches.
Commercial/industrial projects – junctions behind panels, in mechanical rooms.
Harsh or corrosive environments – ideal for wash-down areas, food processing, or chemical plants.
Installation Tips
Ensure gasket is seated evenly before fastening the cover screws to maintain NEMA 4X integrity.
Use rigid PVC threaded hubs or solvent-weld fittings for conduit entries to seal and secure connections.
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Westlake JB664 is a 6 × 6 × 4″ gray PVC junction box offering 139.5 cu‑in capacity with gasketed cover and threaded brass inserts. Rated NEMA 1/2/3/4/4X/12/13 and CSA/UL approved, ideal for PVC conduit systems in residential, commercial, outdoor, or corrosive environments