EGSA Electrical Generator Systems Technician Certification Exam

Which of the following is the primary function of a Bypass-Isolation Automatic Transfer Switch?

To provide a soft load transfer to reduce stress on the generator. To allow the ATS to be safely inspected, tested, and maintained without interrupting power to the critical load. To automatically select the most stable of three available power sources. To serve as the main service disconnecting means for a facility.

Correct Answer:

To allow the ATS to be safely inspected, tested, and maintained without interrupting power to the critical load.

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