What is rccb elcb, what is safety near-miss what is accident, what is PTW etc

Question

Accepted Answer

RCCB ELCB are electrical safety devices. Near-miss is a potential accident. Accident is an unplanned event. PTW is permit to work.

RCCB (Residual Current Circuit Breaker) and ELCB (Earth Leakage Circuit Breaker) are electrical safety devices that protect against electric shock.
Near-miss is a potential accident that did not result in injury or damage but had the potential to do so.
Accident is an unplanned event that results in injury, damage, or loss.
PTW (Permit to Work) is a formal written system used to control certain types of work that are potentially hazardous.
Examples of PTW include hot work, confined space entry, and working at height.

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