The present invention discloses a connector for deploying an energy transmission medium, comprising a cylindrical tube and a telescopic arrangement comprising a fixed tube attached to and penetrating a sealed first end of the cylindrical tube, leaving a tunnel connecting an inner space of the cylindrical tube and the environment, and a sliding tube slidably engaged with the fixed tube and affixed with at least one energy transmission medium having a front end extending through out of the sliding tube towards a second end of the cylindrical tube and a tail end connected to an energy source coupler.