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TestGuy
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Electrical power systems maintenance, testing and troubleshooting.
Electrical power systems maintenance, testing and troubleshooting.

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There are three basic #electrical #tests that should be performed on medium-voltage #circuitbreakers as part of a preventive maintenance program. Learn more: http://goo.gl/bdY37A

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The #transformer turns ratio test (#TTR) is capable of detecting shorted turns in a transformer winding, which may result from short circuits or dielectric failures. http://goo.gl/evs5eN

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Emergency generator systems should be tested periodically to ensure continuous electrical power is supplied to lighting and other critical loads in the event of a utility outage. Learn more: https://youtu.be/6E-mdhvoNNA

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Primary vs. Secondary Injection #Testing for #CircuitBreakers. Learn the pros and cons of each: https://goo.gl/9qAWPi 

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The following inspections and #tests should be performed before energizing newly installed low voltage wire and #cable rated 600V or less. http://goo.gl/sK6jsH

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An #electrical substation bus scheme is the arrangement of overhead bus bar and associated switching equipment. The operational flexibility and reliability of the #substation greatly depends upon the bus scheme. Learn more: https://youtu.be/ZU4y6vsabP4

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The ability to properly measure #ground resistance is essential in preventing costly downtime due to #electrical service interruptions caused by poor grounds. Read More: http://goo.gl/FBQ0k4

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When a fault occurs on the electrical system, the associated current must be interrupted quickly and reliably to prevent catastrophic damage to equipment and nearby personnel. Read more: http://goo.gl/pIuSr2

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The #NFPA defines a qualified #electrical worker as "one who has skills and knowledge related to the construction and operation of the electrical equipment and installations and has received safety training to recognize and avoid the hazards involved.” Read more: http://goo.gl/qGCQXC
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