2021 White Paper - Understanding Aerospace Wiring Systems
For 17 years, Lectromec has published articles on all parts of aircraft wiring and wiring systems. These articles covered tests for wire and cable through techniques to determine when these components reach end of life on an aircraft.
Taken together, these articles cover topics to help newcomers become familiar with the industry concepts and inform industry veterans looking to keep on top of the latest developments and ideas. Each grouping below collects the articles on one topic and provides the building blocks for the next.
Start with the fundamentals
Visual Inspection
What wire system damage looks like and how inspections find it — the entry point to EWIS health.
Read the series →Wire & Cable Testing
How the core test methods work and what their results mean.
Read the series →Connectors
The other half of the interconnect: qualification, failure modes, and selection.
Read the series →Standards & certification
Certification
EWIS certification paths, DER practice, and what compliance requires.
Read the series →AS50881
The wiring installation standard, section by section.
Read the series →MIL-HDBK-525
EWIS risk assessment guidance for service life extension.
Read the series →Degradation & failure
Wire Degradation
How insulation ages, and how to project remaining life.
Read the series →Arcing Damage
Arc events, damage assessment, and modeling.
Read the series →Circuit Protection
Breakers, arc-fault protection, and protective coordination.
Read the series →Keeping fleets flying
Maintenance
Wire system maintenance practice and programs.
Read the series →Risk Assessment
Quantifying EWIS risk for sustainment decisions.
Read the series →High Voltage
Where aircraft electrification pushes wiring next.
Read the series →Looking for something specific? Browse all 390+ articles or search the site.