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    An autotransformer is a transformer having part of its winding included in both the input and output circuit.
    Oct. 1, 2001
    Not only are realistic project schedules useful to you during the preconstruction stage, they're also vital to successfully coordinating the day-to-day activities of a project...
    Dec. 1, 2000
    This unique millivolt testing technique provides a basic check in troubleshooting motor breakdown situations.As a maintenance electrician, I'm sure you've been in the high-pressure...
    Dec. 1, 2000
    This basic electrical maintenance and troubleshooting test can help you diagnose potential insulation problems and reasonably predict when they will occur.How significant is insulation...
    Sept. 1, 2000
    One of the most fundamental of electrical installation and maintenance tasks is taking insulation resistance (JR) readings. This is done to verify the integrity of the insulating...
    Sept. 1, 2000

    John A. DeDad

    How significant is insulation resistance testing? Since 80% of electrical maintenance and testing involves evaluating insulation integrity, the answer is "very important."
    Aug. 1, 2000
    Proper use of safety equipment on energized and de-energized circuits just might save your life. Electrical accidents don't happen without cause. Sometimes it's equipment failure...
    May 1, 2000
    Recently, I was going through my electrical belongings and ran across some old “friends.” They brought back many memories of when I began working in the electrical construction...
    April 1, 2000