The hidden hazard behind the brilliant flash of a welding arc
In short: A welding arc produces a spectacular blue-white flash that often forces an instinctive reaction. However, the primary danger lies in what the human eye cannot perceive: high-energy radiation that can cause delayed injury.
While the intense brightness of a welding arc is striking, the most significant risk is ultraviolet (UV) radiation. This radiation is powerful enough to damage both the skin and the eyes even during brief, unprotected exposures.
The danger of welding light is unique because the damage often manifests hours after the initial exposure. Understanding this distinction between visible light and invisible radiation explains why specialized protection is mandatory for those working near the arc.
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- Summary by Intellect · source: Why Welding Light Is More Dangerous Than It Looks
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