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In-stock orders placed after 3pm EST on Friday 5/27 will ship Tuesday 5/31. Polycase will be closed Monday 5/30 for Memorial Day.

Outdoor Junction Boxes

Outdoor electrical junction boxes are designed to keep sensitive electrical connections protected and secure in any environment, even underground. Meeting a variety of NEMA and IP ratings ensures our waterproof junction boxes are robust and durable for outdoor use, but they can also be used for indoor applications. Outdoor junction boxes come in a variety of styles including options with hinged covers or knockouts, and options that can be wall mounted or pole mounted. With plastic, aluminum, and steel options available in a variety of sizes, it's easy to find the perfect electrical junction box solution. Read our guide on junction box types.

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  1. ML-22F*15 Gray outdoor waterproof enclosure rated NEMA 4x and NEMA 6P - 2.63 x 2.63 x 1.63 inches
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    ML-22F
    As low as $5.80 per unit
    2.63 x 2.63 x 1.63 in.
    66.80 x 66.80 x 41.40 mm.
    Material: Polycarbonate
  2. electrical enclosure
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    ZH-100802
    As low as $47.89 per unit
    11.04 x 9.04 x 4.22 in.
    280.42 x 229.62 x 107.19 mm.
    Material: Polycarbonate
  3. Polycase WQ-55 outdoor hinged electrical enclosure
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    WQ-55
    As low as $25.37 per unit
    8.27 x 8.26 x 5.15 in.
    210.06 x 209.80 x 130.81 mm.
    Material: Polycarbonate
  4. AN-19P Natural diecast aluminum enclosure for electronics - 3.13 x 2.93 x 2.05 inches
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    AN-19P
    As low as $9.99 per unit
    3.13 x 2.93 x 2.05 in.
    79.50 x 74.42 x 52.07 mm.
    Material: Aluminum
  5. Polycase WQ-70 outdoor waterproof electrical junction box
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    WQ-70
    As low as $56.95 per unit
    13.78 x 13.78 x 5.97 in.
    350.01 x 350.01 x 151.64 mm.
    Material: Polycarbonate
  6. 6x6x4 electrical enclosure
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    ZH-060604
    As low as $42.51 per unit
    7.04 x 7.04 x 5.72 in.
    178.82 x 178.82 x 145.29 mm.
    Material: Polycarbonate
  7. WP-23*15 Gray outdoor NEMA 4x waterproof enclosure - 4.53 x 3.54 x 2.17 inches
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    WP-23
    As low as $9.95 per unit
    4.53 x 3.54 x 2.17 in.
    115.06 x 89.92 x 55.12 mm.
    Material: Polycarbonate
  8. Black polycarbonate HD-36F enclosure
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    HD-36F
    As low as $7.04 per unit
    5.50 x 3.50 x 2.36 in.
    139.70 x 88.90 x 59.94 mm.
    Material: Polycarbonate
  9. SK-17-02 Gray NEMA rated junction box with knockouts - 7.09 x 3.7 x 2.24 inches
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    SK-17
    As low as $19.17 per unit
    7.09 x 3.70 x 2.24 in.
    180.09 x 93.98 x 56.90 mm.
    Material: Polycarbonate
  10. SG-21-02 Gray electrical enclosure - 6.38 x 3.22 x 2.13 inches
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    SG-21
    As low as $15.36 per unit
    6.38 x 3.22 x 2.13 in.
    162.05 x 81.79 x 54.10 mm.
    Material: Polycarbonate
  11. HD-35FMMT Black NEMA 6P rated waterproof polycarbonate enclosure for electronics - 5.5 x 3.5 x 1.5 inches
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    HD-35F
    As low as $6.71 per unit
    5.50 x 3.50 x 1.50 in.
    139.70 x 88.90 x 38.10 mm.
    Material: Polycarbonate
  12. electronic enclosure with graphics

    Take your enclosure from plain to powerful

    with CNC machining and digital printing services from Polycase

    Learn More
  13. waterproof electrical junction box
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    ZQ-121004
    As low as $50.58 per unit
    13.24 x 11.24 x 5.70 in.
    336.30 x 285.50 x 144.78 mm.
    Material: Polycarbonate
  14. waterproof hinged electrical enclosure
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    WQ-35
    As low as $9.91 per unit
    4.72 x 3.53 x 2.82 in.
    119.89 x 89.66 x 71.63 mm.
    Material: Polycarbonate
  15. waterproof electrical enclosure
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    ZH-101006
    As low as $54.41 per unit
    11.04 x 11.04 x 7.52 in.
    280.42 x 280.42 x 191.01 mm.
    Material: Polycarbonate
  16. Polycase WQ-59 weatherproof junction box
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    WQ-59
    As low as $42.44 per unit
    11.81 x 7.87 x 5.95 in.
    299.97 x 199.90 x 151.13 mm.
    Material: Polycarbonate
  17. waterproof electrical junction box New
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    ZQ-040404
    As low as $28.75 per unit
    5.04 x 5.04 x 4.83 in.
    128.02 x 128.02 x 122.68 mm.
    Material: Polycarbonate
  18. Polycase WQ-44 weatherproof junction box
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    WQ-44
    As low as $16.57 per unit
    7.30 x 5.32 x 3.38 in.
    185.42 x 135.13 x 85.85 mm.
    Material: Polycarbonate
  19. 6x4x4 waterproof electrical enclosure
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    ZH-060404
    As low as $37.85 per unit
    7.04 x 5.04 x 4.83 in.
    178.82 x 128.02 x 122.68 mm.
    Material: Polycarbonate
  20. ML-46F*15 Gray outdoor NEMA 4x enclosure for electronics - 6.13 x 4.63 x 2.44 inches
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    ML-46F
    As low as $12.02 per unit
    6.13 x 4.63 x 2.44 in.
    155.70 x 117.60 x 61.98 mm.
    Material: Polycarbonate
  21. AN-17F Natural diecast aluminum enclosure with flanges for wall mounting - 6.29 x 3.93 x 3.19 inches
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    AN-17F
    As low as $23.88 per unit
    6.29 x 3.93 x 3.19 in.
    159.77 x 99.82 x 81.03 mm.
    Material: Aluminum
  22. submersible enclosure
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    ZQ-080604
    As low as $43.33 per unit
    9.04 x 7.04 x 5.72 in.
    229.62 x 178.82 x 145.29 mm.
    Material: Polycarbonate
  23. Lockable box
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    SB-46
    As low as $146.88 per unit
    20.00 x 16.00 x 8.00 in.
    508.00 x 406.40 x 203.20 mm.
    Material: Steel
  24. electronic enclosure with graphics

    Take your enclosure from plain to powerful

    with CNC machining and digital printing services from Polycase

    Learn More

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knockout electrical enclosure with graphics and machining

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CNC Machining

Save time and money with CNC machining services. Guaranteed accuracy, no scrap and 1-3 week lead times. It's that simple.
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Digital Printing

Skip the label. Take your product to the next level with vibrant one-of-a-kind graphics printed directly on the enclosure.
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