42 articles
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When a wire harness operates in an engine bay, deep underwater, or in outer space, standard plastic connectors and wire insulation materials are simply not enough to keep out moisture and prevent vibration damage. To achieve ultimate reliability, manufacturers rely on two advanced chemical processes. Understanding the role of potting and conformal coating in wire […]
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A wire is not a perfect conductor; it is essentially a very long, very weak resistor. When electricity travels over a long distance, some of that electrical pressure (voltage) is lost as heat due to the natural resistance of the copper. Knowing how to calculate voltage drop for long wire harness runs is essential to […]
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Building a wire harness is only half the job; proving that it works perfectly before installation is the other half. Knowing how to properly test a wire harness for continuity and shorts is the firewall that prevents expensive electrical failures in the field. A single mispinned wire in a 200-wire harness can completely disable a […]
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A custom wire harness is a complex 3D object, often winding its way through engines, bulkheads, and chassis. However, before a single wire is cut, it exists entirely as a 2D map. Knowing how to read and understand a basic wire harness schematic is the most important skill for any electrical engineer or assembly technician. […]
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When purchasing or manufacturing a custom wire harness, it is tempting to look for ways to cut costs. The easiest way to slash prices is by using cheaper wire. However, the impact of copper wire quality on overall harness performance cannot be overstated. A harness is only as good as the metal inside it. Using […]
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When bundling and protecting a wire harness, tape is one of the most versatile and cost-effective tools in a manufacturer’s arsenal. However, not all tape is created equal. Knowing how to select the best wire harness tape for high temperature environments is critical for preventing catastrophic electrical failures in automotive engine bays and industrial machinery. […]
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A modern custom wire harness does much more than just connect Point A to Point B. It acts as the central nervous system for complex machinery, actively managing power distribution and protecting expensive components from electrical surges. Understanding the role of relays and fuses within a complex wiring harness system is fundamental to electrical engineering. […]
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When designing a wire harness for a harsh industrial, automotive, or aerospace environment, simply bundling the wires together is not enough. They require an outer layer of armor. This is why braided sleeving is crucial for wire harness durability. Unlike rigid plastic conduits or sticky electrical tape, braided sleeving offers a unique combination of extreme […]
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When constructing a high-quality wire harness, simply crimping or soldering the connections is not enough. The connection point is inherently the weakest part of the entire assembly. It must be reinforced and protected from the elements. This is how heat shrink tubing protects your wiring harness connections and ensures long-term reliability. While electrical tape is […]
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One of the most critical decisions an engineer must make when designing a custom wire harness is selecting the correct wire thickness. If the wire is too thick, the harness becomes heavy, inflexible, and unnecessarily expensive. If the wire is too thin, it becomes a severe fire hazard. Knowing how to choose the right wire […]
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