Electrical connection box

摘要

An electrical connection box has upper and lower casings capable of being combined with each other, a wiring board located between the casings and having a plurality of independent electric circuits, and an insulating plate located between the upper casing and the wiring board. The upper casing is formed with a connector housing to be fitted with an external connector, and external connecting terminals coupled to the electric circuits and electrically connecting the electric circuits and the external connector or an L-shaped rib formed on the wiring board and capable of preventing the external connector from being fitted in the connector housing projects into the connector housing.