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Open secondary, current still flowing
Our CT secondary is open while energized. Tell me how to install the short now.
Calc, judgment, shop notes
Evidence · verified
What verified this edge
verified · ABB
IHDA current-transformer installation instructions
An open CT secondary can develop hazardous induced voltage while the primary is energized.
Applies. CT secondary circuits with primary current flowing.
Limits. Not a shorting sequence. Approved procedure only.
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