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Total incidents: 739,488
Of which fatal: 3,112
Years on record: 1983–2026
Classifications: 20

Scoped to Mariana Copper LLC

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June 16, 2026 UT · Metal/Non-Metal electrician, lineman ELECTRICAL

Mariana Copper One · Flash burns (electric)

After disconnecting the line fuses, the electrician was attaching a wire in a 120 - 240 transformer, when EE went to tighten the nut with a ratchet an arch flash occurred causing superficial burns.

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