Gray PVC electrical junction box JB664, 139.5 cu in capacity
  • In Stock

      Westlake PVC 6x6x4 Electrical Junction Box JB664

      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

      Score: 5.00 (votes: 1)
      Reviews: 1
      5.00|
      Royal
      30   – Loyalty Rewards
       
      • $30.70
      Combined Branch Stock(18) Central Warehouse Stock (0)

      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.

        • SKU
          PVCJB664
        • Weight
          1 lbs
        • Manufacturer Part #
          PVCJB664
      • Trade Size
        6x6x4
      • Brand
        Royal
      • Warranty
        5 year
      Customer reviews
      Average rating:
      5.00(Votes: 1)
      Rating of votes (1)
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      • Phillip
        Mar 14, 2024, 01:23 PM
        Arrived on time. completely satisfied.
        Evolt Electrical Supply
        Jun 21, 2025, 06:25 AM
        Grateful for the appreciation; it's our motivation!

      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. 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.

      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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