Which risk increases when rapid over-voltage occurs within industrial 480V circuit-breaker panels?

💡 Explanation

Arc flash intensity escalates because ionization increases the conductivity of air via the Townsend avalanche, therefore worsening short-circuit conditions rather than affecting transformer core or conductor properties, where other mechanisms matter.

• Which limitation arises when a dense wavelength-division multiplexing (DWDM) system exceeds its optical power budget?
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• Which risk significantly increases when three-phase transformer voltage imbalance exceeds design limits?
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