Patent ID: 7770341

Claim:
A conduit for electrical lines suspendable from a ceiling or other structure comprising: a first concrete encasement with a longitudinal axis and including a bottom section and a mating top section joinable together forming an enclosure for holding electrical lines, said bottom section having an outer flat bottom portion and said top section having an outer flat top portion allowing said encasement to be stacked atop another identical encasement, said bottom section includes a first support extending lengthwise across said longitudinal axis and fixed to said bottom portion of said bottom section, said top section includes a second support extending lengthwise across said longitudinal axis and fixed to said top portion of said top section, said top section and said bottom section are identical in construction and configuration allowing interchange of sections; a cradle including a third support extending lengthwise along said axis and fixed to said first support and a fourth support extending lengthwise along said longitudinal axis and fixed to said second support; and a hanger connected to said third support and said fourth support extending upwardly to mount said cradle and said encasement to a ceiling or other structure; and wherein: said hanger includes a pair of rods with said encasement located therebetween, said rods connected to said third support and said fourth support; said first support and said second support include a plurality of holes into which respectively said flat bottom portion and said flat top portion extend limiting movement between said bottom section and said first support and between said top section and said second support.