"The combination of one or more electric locks or controlling circuits by means of which levers in an interlocking machine, or switches or other devices operated in connection with signalling and interlocking, are secured against operation under certain conditions."
What is Electrical Interlocking? Electrical interlocking is a mechanism of electrical controls and devices designed to ensure the safe and orderly operation of electrical circuits, machinery, or equipment by preventing certain actions or conditions unless specific prerequisites are met.