To provide a connection cable with which each code does not become obstructive but operation of equipment becomes easy, in case terminal equipment and end equipment are operated, or in case an electric device is connected to a wiring wall socket having an optical fiber provided with in indoor and outdoor.

The connection cable A consists of an inserting plug 10 for inserting to power supply wall socket attached with a ferrule 13 as a 1st optical joint means, a connector 20 for connection attached with a ferrule receiver 23 as a 2nd optical joint means, an optical-electrical compound cable 30 provided with power lines and an optical fiber which connects electrically and optically these inserting plug 10, and the connector 20 for connection.