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US 9,806,509 B1Granted
Fire-resistant electrical box
AssigneeFSR Inc.
InventorsKenneth A. Heinis, Richard B. Wilson, John Macaluso
Life of this patent
Estimating the term…
Abstract
A fire-resistant electrical box assembly includes an outer box assembly having an outer top panel, an outer bottom panel, an outer first side panel, an outer second side panel, an outer back panel, an inner back panel, and a front panel forming an opening substantially covered by a front cover, an inner box assembly having one or more of an inner top panel, an inner bottom panel, an inner first side panel, and an inner second side panel, and an intumescent material between at least a portion of the outer back panel and the inner back panel.
Claims20
A fire-resistant electrical box assembly comprising:
- an outer box assembly comprising an outer top panel, an outer bottom panel, an outer first side panel, an outer second side panel, an inner back panel, an outer back panel coupled to the inner back panel, and a front panel formed of one or more members with an opening capable of being substantially covered by a front cover;
- one or more of an inner top panel, an inner bottom panel, an inner first side panel, and an inner second side panel mounted within the outer box assembly, wherein at least one of the one or more of the inner top panel, the inner bottom panel, the inner first side panel having an opening to mount a connector thereon;
- and
- an intumescent material between at least a portion of the outer back panel and the inner back panel.
1 more element
Dependencies are inferred from the claim text.