Overhead Line Electrification (OLE) is a system that's designed to continuously deliver electrical energy to a stationary or moving train. Depending on where you are in the world, the term 'OLE' may also be known by the following:
- OHLE - Overhead Line Electrification
- OCS - Overhead Catenary System
- OWS - Overhead Wiring System
- OCL - Overhead Contact Line
- OHE - Overhead Electrification