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That's... creative.
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IIRC holding breakers doesn't even prevent them from tripping, they still trip internally if the switch can't move.
If you physically hold the breaker switch, sure. If you just short them with copper wire not so much.
Parent said the breakers were 'forced open with copper wire", which sounds like wire was wrapped around the switch to hold it in position. If you're bridging the terminals with wire, sure. That takes the breaker out of the circuit entirely.