Fire rated floor box installation assembly

A floor box installation assembly comprising:

• a floor box having a bottom and a plurality of walls extending from the bottom to at least partially define a first interior having a wiring compartment, at least one of the plurality of walls having a knockout;
• a pour pan configured to be inserted into an opening in a floor deck, the pour pan having a bottom wall, a plurality of side walls extending from the bottom wall, and a side flange extending from each side wall, the bottom wall and side walls at least partially defining a second interior;
• a first rail connected to the pour pan;
• and
• a second rail connected to the pour pan,
• wherein the first and second rail are configured to be spaced above the pour pan to support the floor box above the second interior so that a conduit can be connected in communication with the knockout above the pour pan.

A floor box installation assembly comprising:

• a floor box having a bottom and a plurality of walls extending from the bottom to at least partially define a first interior having a wiring compartment, at least one of the plurality of walls having a knockout;
• a pour pan configured to be inserted into an opening in a floor deck, the pour pan having a bottom wall, a plurality of side walls extending from the bottom wall, and a side flange extending from each side wall, the bottom wall and side walls at least partially defining a second interior;
• a first post connected to the pour pan;
• and
• a second post connected to the pour pan,
• wherein the first and second posts are configured to support the floor box above the second interior so that a conduit can be connected in communication with the knockout above the pour pan.

A method of installing a floor box comprising:

• cutting a hole in a floor deck to form an open space;
• positioning a pour pan in the open space, the pour pan having a bottom wall, a side wall extending from the bottom wall, and a side flange extending from the side wall, the bottom wall and side wall at least partially defining an interior;
• connecting a first support to the pour pan;
• connecting a second support to the pour pan;
• positioning a floor box on the first support and the second support, the floor box having a bottom, a wall extending from the bottom, and top plate connected to the wall, the floor box being positioned on the first and second supports so that the bottom is positioned above the interior of the pour pan;
• connecting a conduit to the wall of the floor box;
• and
• pouring a flooring material into the interior and around the floor box, wherein the flooring material forms an unbroken surface in the interior of the pour pan.