EFB8S-FC Evolution™ Eight Gang Fire-Classified Floor Box
8-gang fire-classified floor box for 2-hour fire rated floors in new construction applications
The Wiremold EFB8S-FC is an Evolution Series eight-gang fire-classified floor box designed for installation in above-grade concrete floors. This unit is specifically classified for use in 2-hour fire rated floor assemblies. It is engineered for new construction applications and is intended for use with 2-hour fire rated D900 Series floor-ceiling designs that utilize nominal 2-inch or 3-inch deep fluted steel floor units. The assembly must be installed in accordance with specific manufacturer instructions, including maintaining a spacing of 2' (0.61m) OC with no more than one unit per 4 square feet (0.37m2) of floor area in each span. This TAA compliant unit provides a secure method for managing electrical and communication pathways while maintaining the integrity of the floor's fire rating. When installing in polished concrete or terrazzo floors, the EFB610-CTR must be used.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
| Depth | 24.79 in (63 cm) |
| Height | 14.63 in (37.2 cm) |
| Width | 19.29 in (49 cm) |
| TAA Compliant | Yes |
| Certifications | TAA |
| Warranty | 1-Year from Installation or 2-Years from Day of Sale |
| Color | White |
Resources
Questions about this part
What do I need to buy to complete the installation of the EFB8S-FC?
This box requires separate purchases of receptacles, communication jacks, A/V devices, and device plates to be fully functional.
What is the fire rating compatibility for the EFB8S-FC?
This box is classified for use in 2-hour fire rated floor assemblies, specifically for D900 Series floor-ceiling designs with a minimum 3 1/4 inch (83mm) thickness of structural concrete topping.
Will the EFB8S-FC work on polished concrete floors?
For use on bare polished concrete or terrazzo floors, you must use the EFB610-CTR (sold separately).
What is the installation requirement for spacing these boxes?
For the assembly to maintain the 2-hour rating, units should be spaced 2' (0.61m) OC with no more than one unit per 4 square feet (0.37m2) of floor area in each span.
Which documents should I use for submittals regarding fire classification?
You can refer to the 'UL Fire Classified Floor Boxes' or 'Fire Classified Floor Boxes DIV 16/26' documents available in the resources tab for specific compliance details.