During an inspection, electrical equipment, such as distribution panelboards, switch boards, contacts, transformers, receptacles, and service and control panels, can be examined through an IR camera. By viewing apparent temperature differences, inspectors can identify and document problems, such as loose connections and overloaded circuits, which are the most common causes of electrical fires. Other issues, such as transformer cooling problems, induced currents, arcing, and motor-winding faults, also become readily apparent.
Thermal imaging can detect electrical issues that include:
Advantages of Using an IR Camera for Electrical Inspections
Because viewing apparent temperature differences through an IR camera requires no physical contact and can cover a lot of space in one sweep, no other technology allows electrical faults to be found as safely and as quickly as thermal imaging. Another important benefit is that it allows problem areas and components to be located before damage from any serious failure or electrical fire occurs. This helps ensure safety. It can also save money that might otherwise need to spent on extensive repairs.
Here’s a list of advantages of using an IR camera for electrical inspections:
Once a solid difference in temperature has been established between the interior and exterior of the house, insulation defects can be viewed by the camera. By looking at the difference in apparent temperatures, hot and cold spots can be identified as areas that may have missing or inadequate insulation. If a potential problem area is pinpointed using the infrared camera, the insulation in that spot should be examined to verify that it is an issue and to gather more details on the exact nature of the insulation problem. Was insulation moved during a fixture installation and not properly replaced? Is the thickness of the insulation inadequate for the application?
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