Patent ID: 7532458

Claim:
An electric connection box, comprising: a circuit board; a housing including the circuit board positioned in a vertical state, having a bottom wall below the circuit board, and a frame including a frame shape along a periphery of the circuit board, wherein an edge part corresponding to a lower edge of the circuit board forms the bottom wall; a cover that blocks an opening part of one surface side of the frame; and a heat sink that blocks an opening part of another surface side of the frame; a water drainage slope that is provided in the bottom wall of the frame and formed in the bottom wall of the housing, the water drainage slope being structured to receive fluid and is structured in a downslope to guide the fluid downward; a drainage port provided in the bottom wall of the frame and positioned in a lowermost part of the water drainage slope in the bottom wall of the housing, the drainage port is structured to communicate both inside and outside the housing.