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    18 Products

    Fire-Stop Electrical Box Inserts

    Seal electrical boxes to maintain fire-resistant walls. These inserts mount inside electrical boxes to block the spread of smoke and flames. They fit common box sizes.
    Gaskets
    Image of ProductInUse. Front orientation. Fire Stops. Fire-Stop Electrical Box Inserts, Gaskets.
    Image of Product. Front orientation. Fire Stops. Fire-Stop Electrical Box Inserts, Gaskets, For NEMA Outlets.
    Image of Product. Front orientation. Fire Stops. Fire-Stop Electrical Box Inserts, Gaskets, For GFCI Outlets.
    Image of Product. Front orientation. Fire Stops. Fire-Stop Electrical Box Inserts, Gaskets, For Toggle Switches.

    For

    NEMA

    Outlets

    For

    GFCI

    Outlets

    For

    Toggle

    Switches

    Use gaskets when cable or switches have already been installed. They sit just inside your cover plate.
    Expandable—When heated, they expand to seal gaps, such as those left by melted wire.
    Each
    Package
    Outlet Box
    Designation
    For No.
    of Outlets
    For No. of Toggle
    Switches
    Lg.
    Wd.
    Thk.
    Application
    Temp., ° F
    Fire-Stop
    Application
    Fire Safety
    Rating
    Flammability Rating
    Specs. Met
    Certification
    Performance
    Each
    Pkg.
    Qty.
    Pkg.
    For NEMA Outlets
    1 Gang
    25"5"1/8"40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N11100000508505N1120000000
    2 Gang
    45"5"1/8"40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N1130000508505N114000000
     
    For GFCI Outlets
    1 Gang
    15"5"1/8"40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N1150000508505N116000000
    2 Gang
    25"5"1/8"40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N1170000508505N118000000
     
    For Toggle Switches
    1 Gang
    15"5"1/8"40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N1190000508505N121000000
    2 Gang
    25"5"1/8"40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N1220000508505N123000000
     
    Pads
    Image of ProductInUse. Front orientation. Fire Stops. Fire-Stop Electrical Box Inserts, Pads.
    Image of Product. Front orientation. Fire Stops. Fire-Stop Electrical Box Inserts, Pads.
    Use pads before cable is installed. The adhesive side sticks to the back wall of your electrical box. They can be used only with metallic boxes.
    Expandable—When heated, they expand to seal gaps, such as those left by melted wire.
    Each
    Package
    Outlet Box
    Designation
    Lg.
    Wd.
    Thk.
    Mount Type
    Application
    Temp., ° F
    Fire-Stop
    Application
    Fire Safety
    Rating
    Flammability Rating
    Specs. Met
    Certification
    Performance
    Each
    Pkg.
    Qty.
    Pkg.
    1 Gang
    1 13/16"2 13/16"1/4"Adhesive Back40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ASTM G21, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N12400000508505N1250000000
    2 Gang
    3 3/4"3 11/16"1/4"Adhesive Back40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ASTM G21, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N1260000508505N127000000
    2 Gang
    4 3/8"4 3/8"1/4"Adhesive Back40 to 120Through Penetration2 hr.ASTM E84 5/5 for Flame and Smoke, ASTM E119, UL 263, UL 723 5/5 for Flame and Smoke, UL 1479ASTM E90, ASTM E814, ASTM G21, ULC-S101, ULC-S102, ULC-S115FM Approved
    Expandable8505N12800000508505N129000000
     
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