A multi-connector power or power and signal transmission cable includes a connection cable, a first connection head connected to one end of the connection cable and at least one connector to mate with the first connection head. The first connection head includes a first plug at a front end thereof. The connector includes a second plug and a socket at front and rear ends thereof. The first plug is detachably connected to the socket of the connector. The connector includes a connection arm thereon. The connection arm has a protruding block at a distal end thereof. The first connection head has a pivot hole for connection of a rotation disc. The rotation disc includes a rotation axle and a receiving hole on the top end of the rotation axle. The connection arm of the connector is detachably connected to the receiving hole of the first connection head.