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The Hoffman Enclosures A6618RT is a Type 3R wiring trough constructed from 16-gauge mild steel with an ANSI 61 gray polyester powder finish. It measures 18 inches in length, 6 inches in width, and 6 inches in height. The unit features a slip-on removable cover for access to internal components. It holds UL 870, CUL, and CSA C22.2 approvals, ensuring compliance with relevant safety standards for electrical installations.
Verify the specific model suffix and physical dimensions against project requirements before ordering. Confirm that the NEMA Type 3R rating aligns with local environmental exposure conditions. Ensure compatibility with existing mounting infrastructure and conduit entries. Check for current regulatory approvals such as UL or CSA if mandated by jurisdictional codes.
Select this component when weatherproof protection for low-voltage or power wiring is required in both indoor and outdoor settings. The 18x6x6 inch size accommodates moderate cable volumes. Consider the slip-on cover design for maintenance accessibility. Evaluate material gauge and finish durability against specific site corrosiveness.
This wiring trough belongs to the Hoffman Type 3R series, designed for general-purpose electrical protection. It serves as a foundational element in industrial and commercial electrical systems where cable organization and environmental shielding are critical. The product line emphasizes standardized sizing and robust construction for reliable long-term performance.
Consult official nVent Hoffman documentation for direct cross-reference part numbers. Verify dimensional compatibility and mounting hole patterns before substituting. Ensure replacement units maintain equivalent NEMA Type 3R ratings and material specifications.

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