O&M Manual –90E1720004
Section 6 Pre-Energizing Checkout Procedure Page 24 of 52
12. On switches containing an electronic trip circuit breaker, set the tripping
characteristic curve of the adjustable electronic trip unit per the job requirements,
or as outlined in the respective instruction manual.
13. Verify that all grounding connections are correctly made. If the transfer switch is
used as a service entrance, double check to see that the main bonding jumper is
connected.
14. Check all field-installed wiring. Make certain it is clear of all live parts, and
when instructed, secured to withstand fault currents
15. Vacuum to remove any dust, scrap wire, or other debris.
16. Replace all covers; check for any pinched wires, and close doors. Make certain
all enclosure parts are properly aligned and fastened securely.
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