The provision of locking between functions to ensure that conditions cannot
be broken down, that is if 1 locks 2, then 2 must lock 1. This form of locking
is provided automatically by MechanicalOperated without any form of power assistance. More InterlockingA general term applied to the setting and releasing of Signals and Points to prevent unsafe conditions arising; also the equipment which performs this function.... More. Also known as
Reciprocal LockingThe provision of locking between functions to ensure that conditions cannot be broken down, that is if 1 locks 2, then 2 must lock 1. This form of locking is pr... More.