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Preventive maintenance is not a new concept. People have been doing precautionary work on motors, engines, and other mechanical systems for decades. But when I suggest doing preventive maintenance on electrical distribution systems, I am often met with incredulous looks and the repeated question, "What for? Nothing moves — what could go wrong?" Preventing Electrical…

Too many people mistakenly think a lack of moving parts means little can go wrong with electrical systems. In fact, the Institute of Electrical and Electronics Engineers (IEEE) reports that the failure rate of electrical components is three times higher for systems without preventive maintenance programs. The two top causes of electrical distribution failures —…