Electrical junction box

An electrical junction box comprising:

• a housing that includes a bus bar connection part to which a bus bar unit is connected, and a mounted component to which power is supplied from the bus bar unit via the bus bar connection part;
• a cover that covers at least a conductor part of the mounted component in an openable and closable manner;
• and
• a hinge that connects the cover to the housing in a rotatable manner between a close position and an open position, wherein
• the cover includes an interference part that allows a connection between the bus bar connection part and the bus bar unit while the cover is located at the close position, and that does not allow a connection between the bus bar connection part and the bus bar unit while the cover is located at the open position.