NEMA Steel Enclosure, Heavy-Duty IP Waterproof Electrical Box with Mounting Plate for Outdoor/Indoor Installations

Heavy-Duty Protection for Your Electrical Systems

Designed to meet the demands of both industrial and residential environments, this 20 x 16 x 8'' NEMA 4X Steel Electrical Box offers IP66 waterproof and dustproof protection, ensuring long-lasting performance in any setting. Whether you're wiring outdoor systems or securing indoor connections, this outdoor/indoor electrical junction box with mounting plate delivers unmatched durability and ease of installation.


Built Tough for Harsh Environments

Crafted from 1.5 mm cold-rolled carbon steel, the NEMA steel enclosure features precision welding and cutting for superior structural integrity. It’s not just strong — it’s certified. With CE and ROHS approvals, this enclosure offers exceptional resistance against corrosion, wear, and weather exposure, making it ideal for construction sites, commercial facilities, factories, and courtyards.

Seamless IP66 Waterproof & Dustproof Seal

The high-density foam rubber gasket around the door ensures complete sealing, earning the box its IP66 waterproof rating. No dirt, dust, or moisture will compromise your sensitive components — even during outdoor installations. Confidently install this enclosure where reliability matters most.


Secure Reinforced Lock & Hinge System

Your safety matters. This NEMA 4X electrical enclosure is fitted with a reinforced hinge and high-quality locking mechanism, protecting internal components against unauthorized access or accidental damage. The door won’t sag or warp — even after years of repeated use.


Fast & Flexible Installation

The enclosure includes a detachable galvanized steel mounting plate that simplifies component installation. Four pre-drilled wall-mounting holes on the rear ensure quick and stable mounting on any surface, saving you time and hassle during setup


Smartly Designed Details

Engineered with convenience in mind, the bottom cutout supports smooth wire entry, while the pre-installed grounding screws improve safety and conductivity. Every edge and corner is smoothed to prevent cable abrasion during installation and operation.