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AS4373

Insulation Resistance: Measuring Leaky Wires

Wire insulation integrity is a fundamental part of wire performance. Without it, the safety and reliability of a wire is significantly reduced. Over the years, the industry has developed dozens of insulation integrity assessment methods. Among the range of tests that exist in the world of wiring, one of the tests that is often misunderstood […] Read more

AS4373 – Testing Aerospace Cables – Part 2

When is a wire good enough to be placed onto an aircraft? What environmental tests should be considered to clear it for flight? Are there ways to determine how easy it will be to handle for maintainers? Over the last couple of decades, a single test standard has evolved to with test methods to address […] Read more

AS4373 – Testing Aerospace Cables – Part 1

When testing aerospace wire, there are several test standards that might be considered; however, the one that is most commonly referenced is the SAE AS4373 “Test Methods for Insulated Electric Wire” which covers a wide range of mechanical, electrical, environmental, and workmanship tests. In this first article of a two part series, we describe the […] Read more

European Arc Track Resistance Testing

The arc track resistance test is a basic performance test for most aircraft power carrying wires. As with any component assessment tests, there are many ways to evaluate a wire insulation’s propensity for arc tracking. The European wet short circuit test standard, EN3475 Method 605, is one means to determine the arc track resistance performance […] Read more

Latest news on aircraft wire from the SAE’s Spring 2016 Wire and Cable Committee Meeting

he Spring 2016 SAE AE-8A and 8D wire cable standard and wiring installation guidance committee meetings were held last week in Denver, Colorado. The continuing process of wire improvement, both in terms of product and installation, was held over a three-day period covering dozens of topics critical to improving the reliability of EWIS. The following are some of the updates from this meeting. Read more

What are the common tests for aircraft wire?

The hundreds of wire tests that exist for aircraft wire and cable can be categorized into five groups: environmental, electrical, mechanical, chemical, and thermal. In this series, we will look at common tests within each of these categories, what they are, how are they performed, and what the results mean. Read more

Latest update from the October 2014 SAE Wire Committee Meeting

The meeting for the SAE Fall 2014 8A and 8D groups covered a lot of ground and developments in the aerospace wire and cable world. The SAE Wire Committee Meeting, held in Tempe, Arizona, consisted of three days of meetings, presentations and task group reports. Here are some of the developments from the SAE meeting. […] Read more