These premium 4-inch square steel electrical boxes from USLINSKY are engineered for reliable indoor electrical installations, providing a robust enclosure for wiring connections and device mounting. Designed with precision-drawn conduit knockouts, they are ideal for use in walls and ceilings to power lighting fixtures, wall switches, electrical receptacles, and other outlet devices. The square configuration allows for efficient management of multi-directional conductor runs, making them perfect for projects where wiring must be split into two or more directions.
Key Features & Construction:
Material & Durability: Constructed from high-quality galvanized steel, these boxes offer exceptional mechanical strength, corrosion resistance, and long-term durability, ensuring safe performance in residential, commercial, and industrial environments.
Depth & Mounting: With a standard depth of 1-1/2 inches, they provide ample internal space for wire management and device installation. The boxes support both surface and flush mounting, offering flexibility to suit different installation requirements.
Conduit Knockouts: Pre-punched side and bottom knockouts enable quick and secure connection to EMT, rigid, or flexible conduits, with varying knockout configurations across models to accommodate different wiring layouts:
LT190: Features (12) 1/2-inch side knockouts and (4) 1/2-inch bottom knockouts, paired with a raised ground for enhanced electrical safety.
LT191: Equipped with (8) 3/4-inch side knockouts and (1) 1/2-inch + (3) 3/4-inch bottom knockouts, also featuring a raised ground terminal.
LT192: Includes (8) 1/2-inch + (4) 3/4-inch side knockouts and (2) 1/2-inch + (2) 3/4-inch bottom knockouts, designed for versatile conduit routing.
Grounding: Models LT190 and LT191 include a raised ground screw terminal, ensuring a secure and code-compliant grounding connection for electrical safety.
Certification: UL Listed (E501003), meeting rigorous safety and performance standards for electrical enclosures.
Packaging: Shipped in standard cartons of 50 pieces per unit, convenient for bulk ordering and inventory management.
Applications:
Residential wiring for lighting, switches, and outlets
Commercial building electrical installations
Industrial control panel wiring
Renovation and new construction projects requiring multi-directional conductor runs
Surface or flush-mounted electrical enclosures for wall/ceiling applications
证书及文件
证书名称
发行机构
证书类型
有效日期
Certificate of Compliance (UL 514A for Metallic Outlet Boxes)