Day 7 Switches Flashcards
Crossover
A track connection between two adjacent, not necessarily parallel tracks, consisting of a minimum of two switches, which is intended to be used primarily for the purpose of crossing over from one truck to another
Derail
A track safety device, fixed or portable, designed to guide the car off the rails at a select a location on a track as a means of protection against collisions or other accidents
Dual control switch
A power – operated switch also equipped for hand operation
Electric lock switch
A hand – operated switch equipped with an electrical device that restrict the movement of the switch
Hand – operated switch
A switch that must be aligned by hand before a train makes a trailing point movement through the switch
Interlocking switch
A switch within interlocking limits controlled by the block operator or train dispatcher working in conjunction with interlocking signals and other interlocking appliances
Springs switch
A switch equipped with a spring mechanism that will restore the switch points to the normal position after having been trail through
Automatic safety switch
A switch identified by a yellow switch stand. Trains may make trailing point moves through the switch without previously aligning it by hand except as specified by timetable special instruction