A type of cable crossover, usually larger than the plastic/rubber variety designed for 5 cables.
http://www.legacypowerservices.com/...id=62&osCsid=91f081f2af219d73d29d4b0837482062
As seen above is ~4'x'4' x 4" high, weighs 175 pounds, and can hold up to 32 pieces of 4/0 cable.
http://www.legacypowerservices.com/...id=62&osCsid=91f081f2af219d73d29d4b0837482062
As seen above is ~4'x'4' x 4" high, weighs 175 pounds, and can hold up to 32 pieces of 4/0 cable.