812 Series Floor Box Covers by Lew Electric
The Lew Electric 812 Series Floor Box Covers provide professional-grade finishing solutions for the company's popular line of 4-inch round cast iron floor boxes . These covers transform functional electrical access points into elegant architectural elements that complement modern commercial interiors while maintaining full code compliance and operational functionality.
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Lew Electric 523-DP4" Round Cover Only for 812 Series Floor Boxes - Brass
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Lew Electric 523-DP-NS4" Round Cover Only for 812 Series Floor Boxes - Nickel Silver
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Available in multiple finish options including polished brass, nickel silver, and aluminum, the 812 series covers accommodate diverse interior design requirements from traditional corporate boardrooms to contemporary collaborative workspaces. Each cover is precision-engineered to fit perfectly within the 812 series floor box housings, creating a seamless appearance when installed in concrete, wood, or carpeted floor surfaces.
The cover designs include both screw plug configurations and flip lid variants. Screw plug models like the 523-DP-NS feature removable plugs that provide access to the power receptacles below, while flip lid designs such as the 812-DFB W/DFB-1 offer convenient single-action access through hinged covers. This variety allows specifiers to select the access method best suited to the frequency of use and aesthetic preferences of each installation.
All 812 series floor boxes and covers are UL and cUL listed, ensuring compliance with electrical codes throughout North America. The cast iron construction provides exceptional durability under heavy foot traffic conditions encountered in corporate lobbies, hotel ballrooms, convention centers, and educational facilities. The tamper-resistant designs prevent unauthorized access while maintaining convenience for authorized users.
Installation flexibility is enhanced through compatibility with various flooring materials and thicknesses. The covers accommodate standard carpet installations, hardwood floors, and tile applications, with optional shim kits available to achieve precise height alignment with the finished floor surface.
These premium floor box covers represent an ideal solution for architects, interior designers, and electrical contractors seeking reliable, code-compliant, and aesthetically pleasing power access solutions.
Frequently Asked Questions
Q1. What is the difference between screw plug and flip lid cover designs?
A. Screw plug covers feature removable plugs that unscrew to provide access to the power receptacles, offering a completely flat surface when closed. Flip lid covers have hinged doors that swing open for quick access, making them more convenient for frequently used locations but creating a slightly raised profile when closed.
Q2. Are the 812 series floor box covers compatible with all Lew Electric floor boxes?
A. The 812 series covers are specifically designed for the Lew Electric 812-DFB series of 4-inch round cast iron floor boxes. They are not interchangeable with other Lew Electric floor box sizes or configurations.
Q3. Can the brass covers be used with heated floors?
A. Lew Electric floor box covers are designed for standard commercial and residential floor installations. However, heated floor applications, consult with the manufacturer or a qualified electrical contractor to ensure the installation meets all code requirements and material specifications for the specific heating system being used.
Q4. What power capacity do the 812 series floor boxes provide?
A. The 812 series floor boxes typically include a 15-amp duplex tamper-resistant outlet, providing standard 120V power access suitable for laptops, projectors, and other presentation equipment. For higher power requirements, consult with an electrical contractor about alternative floor box configurations.




