scope:

This specification covers the manufacturing details for the clamplock groundlock wiring harness. It is classified as a piece of vital signalling equipment which means that it may be used to perform a critical safety function directly affecting the safe movement of trains. This specification should be used by all those when engaged in the procurement and manufacture of this type of harness.

Purpose

This specification details the clamplock groundlock wiring harness that is used to connect two component parts of a clamplock point mechanism. The wiring harness is exposed to conditions which include, rain, sunlight, severe vibration forces and physical abuse arising from being trodden on by track workers where it lies on top of the ballast.