Infrared thermography, while a valuable tool for detecting thermal anomalies in electrical equipment, has several limitations that must be considered for accurate diagnosis. First, thermography only detects surface temperatures. It cannot "see" inside enclosures or components unless there is a direct line of sight to the heat source. This means that faults located deep within equipment, such as winding shorts in a motor, may not be detectable until the heat propagates to the surface. Second, the accuracy of thermographic measurements can be affected by emissivity, which is a material's ability to emit infrared radiation. Different materials have differ....
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