An electrosurgical instrument , comprising: a housing comprising a printed control board ; a shaft extending from the housing; an end effector extending from the shaft; an articulation joint rotatably connecting the end effector to the shaft; and a wiring circuit extending from the printed control board through the shaft and into the end effector, wherein the wiring circuit is configured to monitor a function of the end effector and communicate the monitored function to the printed control board, and wherein the wiring circuit comprises: a proximal rigid portion fixed to the shaft; a distal rigid portion fixed to the end effector, and an intermediate portion extending from the proximal rigid portion to the distal rigid portion, wherein the intermediate portion comprises: a resilient portion that is is transitionable between a relaxed configuration and an unrelaxed configuration; and a stretchable portion , and wherein the electrosurgical instrument further comprises: a conductive wire extending through the resilient portion , wherein the conductive wire comprises the stretchable portion , and wherein the conductive wire is configured to elongate when the resilient portion is transitioned from the relaxed configuration to the unrelaxed configuration. a housing comprising a printed control board ; a shaft extending from the housing; an end effector extending from the shaft; an articulation joint rotatably connecting the end effector to the shaft; and a wiring circuit extending from the printed control board through the shaft and into the end effector, wherein the wiring circuit is configured to monitor a function of the end effector and communicate the monitored function to the printed control board, and wherein the wiring circuit comprises: a proximal rigid portion fixed to the shaft; a distal rigid portion fixed to the end effector, and an intermediate portion extending from the proximal rigid portion to the distal rigid portion, wherein the intermediate portion comprises: a resilient portion that is is transitionable between a relaxed configuration and an unrelaxed configuration; and a stretchable portion , and wherein the electrosurgical instrument further comprises: a conductive wire extending through the resilient portion , wherein the conductive wire comprises the stretchable portion , and wherein the conductive wire is configured to elongate when the resilient portion is transitioned from the relaxed configuration to the unrelaxed configuration. a proximal rigid portion fixed to the shaft; a distal rigid portion fixed to the end effector, and an intermediate portion extending from the proximal rigid portion to the distal rigid portion, wherein the intermediate portion comprises: a resilient portion that is is transitionable between a relaxed configuration and an unrelaxed configuration; and a stretchable portion , and wherein the electrosurgical instrument further comprises: a resilient portion that is is transitionable between a relaxed configuration and an unrelaxed configuration; and a stretchable portion , and wherein the electrosurgical instrument further comprises: a conductive wire extending through the resilient portion , wherein the conductive wire comprises the stretchable portion , and wherein the conductive wire is configured to elongate when the resilient portion is transitioned from the relaxed configuration to the unrelaxed configuration. <EOS>