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Fiberglass

Find the complete line of Allied Moulded Products fiberglass enclosures here. Choose from a huge selection of sizes and features like raised covers, clear windows, and special latches. All Allied Moulded enclosures are NEMA 4X rated. Use them inside, outside, anywhere you need to protect your equipment. Rest assured, your fiberglass reinforced polyester (FRP) enclosure is keeping your electrical panels, meters, and switches safe from exposure.

Notice: Allied boxes take 3-5 days to ship due to manufacturer delays. We apologize for the inconvenience. 

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  1. 10x8x4 NEMA 4X Fiberglass Enclosure Lift-Off Screw Cover

    10x8x4 NEMA 4X Fiberglass Enclosure Lift-Off Screw Cover

    AM Series JIC Size Junction Box - Lift-Off Screw Cover - Part AM1084 Learn More
    $46.11
  2. 10x8x4 NEMA 4X Fiberglass Enclosure Twist Latch Clear Hinged Cover Flange Mount

    10x8x4 NEMA 4X Fiberglass Enclosure Twist Latch Clear Hinged Cover Flange Mount

    AMU Fiberglass Enclosure Twist Latch Clear Hinged Cover AMU1084CCTF Learn More
    $85.77
  3. 10x8x6 NEMA 4X Fiberglass Enclosure Twist Latch Hinged Cover Window

    10x8x6 NEMA 4X Fiberglass Enclosure Twist Latch Hinged Cover Window

    AM Series JIC Size Junction Box with Twist Latch Hinged Cover and Window - Part: AM1086TW Learn More
    $109.62
  4. 10x8x4 NEMA 4X Fiberglass Enclosure Hinged Screw Cover Window Flange Mount

    10x8x4 NEMA 4X Fiberglass Enclosure Hinged Screw Cover Window Flange Mount

    AMU Fiberglass Enclosure Hinged Screw Cover Window - Part: AMU1084HWF Learn More
    $100.32
  5. 10x8x4 NEMA 4X Fiberglass Enclosure Hinged Screw Cover Window

    10x8x4 NEMA 4X Fiberglass Enclosure Hinged Screw Cover Window

    AM Series JIC Size Juncrion Box with Lift-Off Screw Cover and Window - Part: AM1084HW Learn More
    $89.97
  6. 10x8x4 NEMA 4X Fiberglass Enclosure Twist Latch Hinged Cover Foot Mount

    10x8x4 NEMA 4X Fiberglass Enclosure Twist Latch Hinged Cover Foot Mount

    AMU Fiberglass Enclosure Twist Latch Hinged Cover- Part: AMU1084T Learn More
    $70.30
  7. 10x8x4 NEMA 4X Fiberglass Enclosure Raised Quick-Release Latch Hinged Cover

    10x8x4 NEMA 4X Fiberglass Enclosure Raised Quick-Release Latch Hinged Cover

    AM-R Series JIC Size Junction Box with Snap Latch Hinged Cover - Part: AM1084RL Learn More
    $66.09
  8. 10x8x4 NEMA 4X Fiberglass Enclosure Twist Latch Hinged Cover

    10x8x4 NEMA 4X Fiberglass Enclosure Twist Latch Hinged Cover

    AM Series JIC Size Junction Box with Twist Latch Hinged Cover - Part: AM1084T Learn More
    $64.79
  9. 10x8x4 NEMA 4X Fiberglass Enclosure Lift-Off Screw Cover Window Flange Mount

    10x8x4 NEMA 4X Fiberglass Enclosure Lift-Off Screw Cover Window Flange Mount

    AMU Fiberglass Enclosure Lift-Off Screw Cover Window - Part: AMU1084WF Learn More
    $97.94
  10. 10x8x6 NEMA 4X Fiberglass Enclosure Hinged Screw Cover 12 PB Cutouts 30.5MM

    10x8x6 NEMA 4X Fiberglass Enclosure Hinged Screw Cover 12 PB Cutouts 30.5MM

    AM Series Pushbutton Enclosure with Multi-Hole Hinged Screw Cover - Part: AM1086HP12 Learn More
    $81.08

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Unlike stainless steel boxes, fiberglass enclosures are cost-effective, lightweight, and easy to modify by drilling, punching and cutting. This last feature is a huge advantage in the field, where often changes need to be made on the fly. The light weight nature of the material makes shipping and installation easier and less expensive.

Did you know that fiberglass is on par with stainless steel when it comes to corrosion and chemical resistance? And when it comes to carbon or lower grade steels, fiberglass is far superior in those categories. It’s also extremely strong and a fraction of the price you’ll pay for a high quality SS enclosure. Plus, fiberglass is an electrical insulator, while metal enclosures materials are electrical conductors.

Allied Moulded enclosures are designed to withstand extreme temperatures and exposure to UV rays. In fact, Allied enclosures far outperform other non-metallic boxes in its ability to withstand UV exposure without degradation. Their unique formula is made to deter discoloration and fiberbloom.