| CPC E04B 2/7412 (2013.01) [E04B 1/14 (2013.01); E04C 2/292 (2013.01); E04C 2/34 (2013.01); E04C 3/04 (2013.01); E04C 3/32 (2013.01); E04C 2003/0452 (2013.01); E04C 2003/0473 (2013.01)] | 20 Claims |

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1. A system comprising:
a receiver section comprising a first back element and a second back element having a thermal break assembly extending therebetween, a first pair of side elements extending perpendicularly from said first back element, and a second pair of side elements extending perpendicularly from said second back element, each side element of said second pair of side elements having a receiver flange at a distal end thereof; and
a raceway section comprising a bottom and two raceway legs extending from opposing ends thereof, each of said two raceway legs having a raceway flange extending from a distal end thereof;
wherein said bottom and said two raceway legs are sized and shaped to fit snugly fit into a channel defined by said first back element and said first pair of side elements.
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