Why do we need interlocking in a HT metering or Ring main
unit switchgear?
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Answer Posted / Aman Arya
Interlocking is used to ensure safety and prevent hazardous situations in high voltage (HT) metering or ring main unit switchgears. Interlocks can help prevent simultaneous opening and closing of circuit breakers, disconnect switches, or other equipment that could lead to arcing, electrical fires, or personnel injuries.
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