Classify common electrical safety scenes by whether an unqualified person may proceed, must stop, or needs a qualified person.
Place each scene where it belongs before anyone acts. Normal use by trained worker Stop and report Qualified person only Plugging in intact cord-and-plug equipment normal-use Damaged cord jacket on a portable tool stop-report Opening a panel to inspect inside qualified-only Boxes blocking panel access Testing for absence of voltage Using a normal closed operator switch qualified/unqualified boundary judgment Practiced sorting tasks by electrical exposure, not by confidence. Ask whether the action exposes parts, diagnoses electrical condition, or crosses an approach boundary.
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