FprEN 4650

Aerospace series - Wire and cable marking process, UV Laser

Publication date:   Jul 9, 2026

Scope

This document is applicable to the marking of aerospace vehicle electrical wires and cables using ultraviolet (UV) lasers.
This document specifies the process requirements for the implementation of UV laser marking of aerospace electrical wires and cables and fibre optic cables to achieve an acceptable quality mark using equipment designed for UV laser wire marking of identification codes on aircraft wire and cable subject to EN 3475 100. Wiring specified as UV laser markable and which has been marked in accordance with this document will conform to the requirements of EN 3838.
This document is applicable to the marking of airframe electrical wires and cables using ultraviolet (UV) lasers. The laser process practices specified in this standard are mandatory.