Clamping screw device

摘要: Improved pilot devices having inserts comprising a spring-loaded stirrup for clamping electrical conductors, together with screw adjusting the action of and releasably locking in fully open position to permit insertion an conductor, mechanism quickly easily releasing when conductor is desired position, attachment member securing block mounting rail. Also, included are independent bus bars which can be selectively operated create or closed circuit condition between two different stirrups device.