ELECTRICAL JUNCTION BOX

Provided is an electrical junction box including: a box body an electrical component block attachment portion that is open to an upper side of the box body and extends in an upper-lower direction of the box body and a plurality of electrical component blocks and attached in multiple stages in the upper-lower direction to the electrical component block attachment portion A partitioning portion is arranged between a lower face of the electrical component block arranged on an upper side in the upper-lower direction and an upper face of the electrical component block arranged on the lower side thereof, with gaps and being interposed between the partitioning portion and the faces. An electric wire extending from the lower face of the upper electrical component block is held on the partitioning portion