EFB45S-FC12 4/5-Gang Fire-Classified Floor Box - Fire Classified Floor Box

The EFB45S-FC12 4/5-Gang Fire-Classified Floor Box by Wiremold is a pre-assembled, installation-ready floor box designed for above-grade concrete floors, including second floors and above. It maintains the fire classification of the floor up to 3 hours, making it suitable for fire-rated floor assemblies. This floor box is engineered to accept standard size wall plates and is ideal for commercial applications requiring reliable power, communication, and audio/video wiring solutions. It is manufactured in the USA and is a robust solution for electrical distributors and switchgear suppliers seeking durable, fire-classified wiring infrastructure.

Specifications

• Material: Steel
• Cable Entry: Conduit
• Construction: Assembled
• Cubic Capacity: 123 in¬≥
• Product Weight: 40.5 lbs
• Fire Classification: Up to 3-hour fire rated floors
• Installation Location: Above Grade
• Installation Floor Type: Tile, Polished Concrete, Terrazzo, Carpet, Wood
• Depth Behind Device Plate: 3 1/2" (89mm)
• Country of Origin: United States
• Made in USA: Yes
• Box Capacity: 4/5-Gang

Features

• Pre-assembled for quick installation in concrete floors while maintaining floor fire rating
• Designed to be used in 1-, 1 1/2-, 2-, or 3-hour fire rated floors
• Accepts industry standard one- to five-gang wall plates
• Includes protective/disposable cover, fire classified pan, removable module, back box, device mounting brackets, repositionable divider
• Two intumescent conduit feeds (1 1/4" and 2") for fire protection
• Cable management guides included for organized cable routing
• Compatible with bare (polished) concrete and terrazzo floors when used with EFB45-CTR trim ring (sold separately)
• Durable steel construction suitable for commercial and institutional electrical and lighting solutions

Downloads & Links

• Evolution Series Floor Boxes Fire Classified
• Evolution 4_5 Gang BIM Model
• Evolution Floor Box Cover Flip Chart
• Evolution Series Fire Classified Floor Boxes
• Evolution Series Sell Sheet
• Evolution Series Floor Box Part List - COO
• Evolution Series Floor Box Div 26
• Evolution Series Floor Box
• Spec Sheet
• Evolution Series Floor Box Div 16