1. IN AN ISOLATOR SWITCH FOR CONNECTING AND DISCONNECTING TWO STATIONARY CONDUCTORS LOCATED AT DIFFERENT HEIGHTS, A STAND, AND A MOVABLE ASSEMBLY COMPRISING AN ELONGATED INSULATOR MEMBER PIVOTALLY JOURNALLED AT ITS LOWER END IN SAID STAND, A SWITCH BLADE PIVOTALLY JOURNALLED AT ITS LOWER END IN THE UPPER END OF THE INSULATOR MEMBER, MEANS OPERATIVELY CONNECTED TO SAID INSULATOR MEMBER FOR MOVING IT WITH RESPECT TO THE STAND BETWEEN A SUBSTANTIALLY VERTICAL POSITION AND A SUBSTANTIALLY HORIZONTAL POSITION, MEANS OPERATIVELY CONNECTED TO THE INSULATOR MEMBER AND THE SWITCH BLADE, RESPONSIVE TO SUCH MOVEMENT OF THE INSULATOR MEMBER, TO MOVE THE SWITCH BLADE BETWEEN A SUBSTANTIALLY VERTICAL POSITION EXTENDING UPWARDLY FROM THE UPPER END OF THE INSULATOR MEMBER TO A SUBSTANTIALLY HORIZONTAL POSITION GENERALLY PARALLEL TO THE INSULATOR MEMBER, A FIRST