WL At Both Ends – Railway Signalling Concepts

Left-hand Turnout, Double Ended, WL At Both Ends

Railway Right-hand & Left-hand Turnout Point Circuits

April 4, 2022June 8, 2022adminLeave a Comment

Right-hand Turnout, Single End, Without WL Right-hand Turnout, Single End, With WL Right-Hand Turnout, Double Ended, Without WL Right-hand Turnout, Double Ended, WL At ‘A’ End Right-hand Turnout, Double Ended, WL At ‘B’ End Left-hand Turnout, Single End, Without WL Left-hand Turnout, Single End, With WL Left-hand Turnout, Double Ended, […]

Railway WL Control

February 4, 2022June 8, 2022adminLeave a Comment

Railway WL Control Railway WL Control :- Contact number one on the open switch is used to control the de-energising of the WL in the same way that the AN & BR contacts are used on a set of Four Foots points. In the Normal position (Fig 5.7) the L.H. WL is locking the points. […]

Right Hand Turnout, Double Ended, WL At Both Ends

Railway Double Ended Turnout, WL At Both Ends

January 3, 2022June 8, 2022adminLeave a Comment

Right-Hand Turnout, Double Ended, WL At Both Ends Left-hand Turnout, Double Ended, WL At Both Ends Flat Bottom Four Foot Point Circuits The widespread introduction of plug-in ‘Q’ style relays and track conversions from bullhead to flat bottom rail has brought about improvements in the design of the four foot point circuits. We shall […]