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The Hoffman F4436FG is a fiberglass wiring trough designed for NEMA Type 12 and 3R environments. It measures 4.00 inches in width, 4.00 inches in height, and 36.00 inches in length. The unit features a gray smooth finish and includes eight captivated Monel screw covers. Constructed from temperature- and chemical-resistant fiberglass, it provides protection for wire and cable distribution, junctions, and terminations in corrosive or dirty indoor and outdoor settings.
Verify the specific material composition and cover type against official nVent Hoffman documentation before procurement. Confirm that the captivated Monel screw covers meet the required corrosion resistance standards for the intended installation environment. Ensure compatibility with adjacent trough sections and mounting hardware.
Select this model when NEMA Type 12 and 3R protection is required for cable management in harsh conditions. The fiberglass construction offers lightweight durability compared to metal alternatives. Verify that the 4x4 inch cross-section accommodates the necessary cable fill without exceeding thermal limits defined in official application guidelines.
This component belongs to the Hoffman fiberglass wiring trough series, which are straight section trunking solutions. These products are engineered to protect electrical infrastructure in environments where standard enclosures may degrade due to moisture, chemicals, or physical contaminants.
Direct substitutes include other 4x4x36 fiberglass troughs from the same manufacturer line. Verify dimensional accuracy and rating equivalence (NEMA 12/3R) when considering alternative brands or modified part numbers within the Hoffman portfolio.

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