ELECTRICAL JUNCTION BOX

An electrical junction box 10 to be attached to a vehicle 11 includes a heat dissipation member 13 having a base plate portion 18 that has a plate shape having a first surface 16 and a second surface 17, a plurality of fins 19 that protrude from the second surface 17, and a pedestal 20 that is provided protruding from the second surface 17 and that has a smaller protruding height from the second surface 17 than the fins 19 as well as a bracket 15 having a pedestal attachment portion 31 that is attached to the pedestal 20 and a vehicle body attachment portion 32 that is continuous with that attachment portion, extends in a direction away from the heat dissipation member 13, and is attachable to a vehicle body 14 of the vehicle 11.