STEEL CITYNonmetallic Electrical Floor Box Covers

STEEL CITY Floor Box Cover: Rectangular, Gray, Polycarbonate

The STEEL CITY 664-CST-SW-GRY is a rectangular nonmetallic electrical floor box cover made of gray polycarbonate. It measures 8 1/8 inches in length, 5 1/8 inches in width, and 3/16 inches in height. This cover is…

SKU 3G-OTH-06021

Brand

STEEL CITY

Item

Floor Box Cover: Rectangular, Gray, Polycarbonate

Technical Specifications

STEEL CITY

Manufacturer Part Number

664-CST-SW-GRY 

Type

Gray, Polycarbonate 

Material

Polycarbonate 

8 1/8 in L x 5 1/8 in W x 3/16 in 

Color

Gray 

Cover Shape

Rectangular 

View Full Spec Sheet

Technical Documents

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STEEL CITY Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the STEEL CITY 664-CST-SW-GRY floor box cover used for?

The STEEL CITY 664-CST-SW-GRY is a rectangular polycarbonate cover designed to enclose and protect electrical floor boxes in commercial or industrial settings. It provides a durable, non-conductive barrier for wiring connections, outlets, or data ports installed in concrete or raised-access floors.

What are the specifications of the STEEL CITY 664-CST-SW-GRY floor box cover?

The STEEL CITY 664-CST-SW-GRY is a gray, rectangular polycarbonate floor box cover measuring 8 1/8 inches long, 5 1/8 inches wide, and 3/16 inches high. It is nonmetallic, corrosion-resistant, and designed for use with compatible STEEL CITY floor boxes to provide a safe, insulated enclosure.

Where to buy the STEEL CITY 664-CST-SW-GRY floor box cover worldwide?

3G Electric supplies the STEEL CITY 664-CST-SW-GRY floor box cover worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this nonmetallic cover to any international destination.

How to install the STEEL CITY 664-CST-SW-GRY floor box cover?

To install the STEEL CITY 664-CST-SW-GRY cover, first ensure the floor box is clean and level. Align the rectangular polycarbonate cover over the box opening and secure it using the manufacturer's recommended screws or fasteners. Avoid over-tightening to prevent cracking. Always follow local electrical codes and the floor box manufacturer's instructions.

Used in

Common applications for STEEL CITY

Commercial office buildings — STEEL CITY brass floor box covers (e.g., 664-CST-M-BRS) for power and data outlets in open-plan workspaces.

Industrial facilities — STEEL CITY aluminum floor box covers (e.g., P 60 CACP-AL) for durable, lightweight access in manufacturing floors.

Educational institutions — STEEL CITY polycarbonate floor box covers (e.g., 664-CST-SW-BRN) for nonmetallic, impact-resistant installations in classrooms.

Retail environments — STEEL CITY round plastic floor box covers (e.g., 68R-CST-BLK) for discreet, cost-effective floor outlets in sales areas.

Hospitality venues — STEEL CITY brass insert plugs (e.g., 696-SC) for blanking unused floor box openings in hotel lobbies or conference rooms.

Data centers — STEEL CITY floor plate plugs (e.g., 691-SC) for sealing unused ports in raised-floor cable management systems.

STEEL CITY Products

3G Electric supplies STEEL CITY nonmetallic electrical floor box covers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all STEEL CITY products →Contact our engineers →