power supply joint

The present invention relates to a joint connection of the contact-type power supply of the new structure to facilitate the installation process and respond to the thermal expansion of the electrode. On the side of the contact-type power supply connection joint coupling hole sandwiched such that the electrode 2 is inserted through 12 in the main body 10, the power panel 20 the electrode 2 according to the invention so that contact the electrode (2) are mutually electrically connected, no action is required, such as tightening the set screw, as well as the installation is very simple, the electrode 2 is not fixed electrode (2) is expanded or when shrinkage and to accommodate this, there is an advantage that can prevent the electrode (2) is bent or twisted in a non-release position.