An electrical junction box for connecting a power supply and a load, includes a terminal block that holds a conductor to which a first electric wire and a second electric wire are commonly connected, wherein first electric wire is connected to the power supply and the second electric wire is connected to the load, a conductive case that accommodates the terminal block, and a resin insulative member that is attached along an inner wall surface of the case. Crimped terminals which are connected respectively to ends of the first and second electric wires are fastened to the conductor with fastening members.