The utility model discloses an electric power facility becomes external member pre -installation emplacement combination storage rack, including pillar and rack, the rack sets firmly on the pillar, and the rack tip is equipped with two pole rack formulas and joins in marriage the indisputable annex draw -in groove of change, is equipped with circuit device mount setting element on the rack side, and detachably is connected with circuit device mount on the circuit device mount setting element. The utility model discloses can make two pole rack formulas join in marriage indisputable annex of change and support circuit device rule, put in an orderly manner, the pre -installation complete set is received, can directly perceived, accurately be checked the figure of checking storing articles spare when delivering, does benefit to industrial electric devices's standard management. Use the utility model discloses industrial electric devices can be concentrated and stack, improve space utilization and warehousing and transportation facility degree, reduce the use of packing material simultaneously, but after the construction full recovery, used repeatedly ensure that the job site keeps neatly that unpackaged thing discarded object is left over.