PVC junction box JB442 in gray with gasket, outdoor electrical use

        Westlake PVC 4x4x2 Electrical Junction Box JB442

        Westlake JB442 is a 4 × 4 × 2″ gray PVC junction box with threaded brass inserts, gasketed cover, and 25 cu‑in capacity. Rated NEMA 1/2/3/4/4X/12/13, it’s ideal for PVC conduit systems in indoor, outdoor, or corrosive environments.

        Score: 5.00 (votes: 1)
        Reviews: 1
        5.00|
        Royal
        5   – Loyalty Rewards
         
        • $5.46
        Restocking

        The Westlake JB442 PVC junction box (4″ × 4″ × 2″) offers reliable protection with its durable, UV- and impact-resistant PVC body, threaded brass inserts, and gasketed cover. With a 25.4 cu-in capacity and NEMA 1/2/3/4/4X/12/13 rating, it suits commercial, residential, industrial, and corrosive setting installations.

        As a 100% Canadian-owned electrical wholesaler, Evolt provides the Westlake JB442 at competitive wholesale pricing, backed by fast shipping across Alberta and BC and expert support teams. This “under-the-radar” brand offers national-grade quality without the inflated rebates or markups typical of big distributors.

        Frequently Asked Questions

        Q: Can I use the JB442 outdoors?

        A: Yes—the gasketed cover and NEMA 4/4X rating ensure protection against dust and water, making it suitable for outdoor environments.

        Q: How do I mount this junction box?

        A: It features threaded brass inserts and mounting feet—just use screws and seal fittings appropriately for your conduit.

        Q: Does the box handle corrosive conditions?

        A: Absolutely. PVC resists acid, alkali, salt mist, and most common corrosives, making JB442 ideal for harsh environments.

        Common Use Scenarios

        Residential remodels – adding or relocating wiring behind walls or cabinets.

        Outdoor fixtures – connecting lighting, sensors, or switches on porches and garages.

        Industrial & corrosive settings – chemical processing, wash-down areas, or food plants.

        Installation Tips

        Use PVC solvent connectors or O-ring threaded fittings to ensure a watertight seal even in wet or industrial environments.

        Tighten screws evenly on the gasketed cover and verify torque on threaded leads to maintain NEMA 4X integrity.

          • SKU
            PVCJB442
          • Weight
            1.5 lbs
          • Manufacturer Part #
            PVCJB442
        • Trade Size
          4x4x2
        • Brand
          Royal
        • Warranty
          5 year
        Customer reviews
        Average rating:
        5.00(Votes: 1)
        Rating of votes (1)
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        • Terrance
          Mar 7, 2024, 12:23 PM
          Performs well. would buy again. well-made.
          Evolt Electrical Supply
          Jan 25, 2026, 05:08 AM
          Spot-on info. Cheers for the insights.

        Minimum Order $20

        We accept the following payment methods:

        Accepted payment methods

        Credit Card can offer cardholders convenience, security, rewards, and the opportunity to build a healthy credit history.

        Click here for Contractor Cash Account


        Trade Credit is a standard financing option for contractors and construction companies to obtain supplies and keep their projects moving. We offer 30-day credit terms to trade contractors on approved applications only. 

        Click here for Contractor Credit Account 


        (Contractor Accounts)

        Standard Shipping-Free on orders over $249 in Metropolitan Areas / $499 in Rural Areas


        (All Other Accounts)

        Standard Shipping-Free on orders over $499


        Minimum Order Is $20

        Freight Surcharge Apply To Oversized/Over-Weight Items(Not Limited To):
         

        • PVC and EMT Pipe 
        • Wire and Cable 
        • Items over 48 inches in length 

        Surcharges are applied to items on an individual basis regardless if the rest of the order meets prepaid levels. If a freight line appears at the time of check out it only applies to the Items carrying a surcharge and not the entire basket of goods.

        Shipping Options:

        • A courier can deliver to your home, office, or your job site
        • Pick up at local depot near you (applies to the following locations)

        Edmonton Warehouse 8135 Roper Rd Edmonton, T6E 6S4, AB 

        Burnaby Warehouse 5608 Goring St Burnaby, V5B 3A3, BC 

        Orders are typically delivered within two to eleven business days. The transit time begins the first full shipping day after your order leaves our warehouse. Please allow an additional 2-5 days for delivery to remote locations, additional fees may apply.

        THE FOLLOWING APPLIES TO STANDARD SHIPPING OPTIONS

        • We cannot deliver to P.O. boxes.
        • A signature may be required for shipments over $500.
        • No weekend delivery.
        • Wire & cable, EMT or PVC conduit, tube lamps 4ft or greater, and 10ft ground rods & mast pipes have special conditions.

        Standard Shipping cost on orders less than $499

        Total shipping cost = "Per Shipment" cost + "Per Item" cost.  The "per item" cost is listed in terms of price per pound.

         

        Product Group

        Per Shipment*

        Per Item

        Boxes

        $6.99

        $1.49/lb

        Conduit & Raceway

        $149.99

        $2.49/lb

        Connectors & Fittings

        $5.99

        $1.19/lb

        Data & Structured Home

        $5.99

        $1.19/lb

        Distribution Equipment

        $5.99

        $1.19/lb

        Emergency Lighting

        $6.99

        $1.49/lb

        Heating & Ventilation

        $6.99

        $1.49/lb

        Lighting Controls

        $5.99

        $1.19/lb

        Lighting Indoor

        $6.99

        $1.49/lb

        Lighting Outdoor

        $6.99

        $1.49/lb

        Tools

        $4.99

        $.99/lb

        Wire & Cable

        $49.99

        $2.29/lb

        Wiring Devices

        $5.99

        $1.19/lb

        Any combination of the above items

        Highest applicable per-shipment charge

        As above

        Product questions

        No questions yet. Be the first to ask the question!

        Effective Date: August, 15, 1998

        At Evolt Electrical Supply, customer satisfaction is our top priority. Please review our return policy below:

        Returns

        Defective Items:

        • If you receive a defective item, you may return it for a replacement or refund within 30 days of purchase.
        • To initiate a return, please contact our customer service team with your order number and a description of the defect.

        Non-Defective Items:

        • We do not accept returns for non-defective items. All sales are final once the product is shipped or ordered from the manufacturer. In certain circumstances we may amend this so feel free to contact our customer service team.

        Return Process

        Authorization:

        • Before returning any items, you must obtain a Return Merchandise Authorization (RMA) number from our customer service team. Returns without an RMA number will not be accepted.
        • Backordered items can not be cancelled if the item is in transit from the manufacturer, contact us to review.

        Shipping:

        • Customers are responsible for the return shipping costs. We recommend using a trackable shipping service or purchasing shipping insurance.

        Condition:

        • Returned items must be in their original packaging and condition. Any items returned damaged due to improper packaging or misuse will not be eligible for a refund or replacement.

        Refunds

        • Once we receive and inspect your returned item, we will notify you of the approval or rejection of your refund.
        • Approved refunds will be processed within [7] business days and a credit will automatically be applied to your original method of payment.

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