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Firestopping device allows wires, cables to be added and removed

The Wiremold Company recently introduced the FlameStopper, a firestopping device for through-wall penetrations that allow wires and cables to be easily added or removed, while maintaining the fire rating of the wall.


September 1, 2004  


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The Wiremold Company recently introduced the FlameStopper, a firestopping device for through-wall penetrations that allow wires and cables to be easily added or removed, while maintaining the fire rating of the wall.

The fitting, which has been tested to UL 1479 for flame, temperature and smoke, consists of a cover with adjustable steel doors. The cover houses a block of intumescent material with an opening through which the cables pass.

EMT conduit, which can be cut to length, carries the cables through the penetration to a similar cover and block of intumescent material on the opposite side of the wall.

The fitting is also suitable for use in air handling spaces.

Wiremold