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Wiremold/Legrand launches fire-classified floor boxes

Wiremold/Legrand has introduced fire-classified metal and non-metallic floor boxes that preserve the fire rating of a concrete slab without spraying on additional insulating material.


September 1, 2008  


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Wiremold/Legrand has introduced fire-classified metal and non-metallic floor boxes that preserve the fire rating of a concrete slab without spraying on additional insulating material.

Unlike conventional floor boxes, these have conduit stubs that extend downward, penetrating the steel decking into the space below. The stems of steel floor boxes contain intumescent firestop material that when exposed to high temperatures, expand and seal the penetration from flames and heat.

In addition, a pad made of insulating material is secured under the metal floor box to control heat propagation through the box into the space above.

Twelve models are available including the Omnibox Multiservice Series and the RFB Series of recessed floor boxes.

Wiremold/Legrand www.legrandelectric.com