provide a rigid structural system for electrical cables,
raceways, and insulated conductors used for electric power
distribution, control, signal instrumentation, and communication. this type use to distribute the cables in all four
directions .

Made of a strap of metal with holes at each way.

galvanized steel, stainless steel, and aluminum.

Plain, Electro-Galvanized, Hot Dip Galvanized or epoxy coating