The invention discloses a jointing clamp convenient for connecting electrical equipment. The jointing clamp comprise a left half wire clamping body and a right half wire clamping body, wherein the middle upper parts of the left half wire clamping body and the right half wire clamping body are connected through a fixing pin, a handle of each of the half wire clamping body and the right half wire clamping body is provided with an insulating sleeve, a first sliding groove is formed in the inner side of each handle, a sliding block is arranged inside each of the two first sliding grooves, the two sliding blocks are connected through a reset spring, a second sliding groove is formed in the front surface of the handle of each of the half wire clamping body and the right half wire clamping body, the side surface of each sliding block is connected with a bolt, the top part of each bolt is inserted in the corresponding second sliding groove and extends to the outer side of the corresponding insulating sleeve, the top end of each bolt is provided with a knob, and first snap-in teeth are formed at the clamping position of the top part of the left half wire clamping body. The jointing clamp convenient for connecting electrical equipment is simple in structure, is convenient to use by the staff, can adjust the clamping force of the jointing clamp, achieves the effect of power detection, and can prolong the service life of the jointing clamp.