According to the NFPA 70B section 11.17.5, inspection frequency and procedures, routine infrared inspections of energized electrical systems should be performed annually prior to shutdown. more frequent infrared inspection, for example, quarterly or semiannually, should be performed where warranted by loss experience, installation of new electrical equipment, or changes in environmental, operational, or load conditions
According to the NFPA 70B section 220.127.116.11, infrared surveys should be performed during periods of maximum possible loading but not less than 40 percent of rated load of the electrical equipment being inspected.
Thermal imaging is carried out to detect electrical faults that cause warming. If failures and hot spots are detected, they can be treated before a fire occurs.
Some of the components that make up the commercial electricity panel and the household electricity panel are similar. In both the commercial electricity panel and the home electricity panel, all the electricity conductors connect the consumers. Hence the danger exists in the household electricity panel almost as much as in the commercial electricity panel. Of course, the larger the power supply and the more components the probability of failure is greater.
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