Tag
#lockout
2 topics across all disciplines.
Arc flash and electrical safety — the label, the study behind it, and the work practice
Incident energy and what actually drives it, IEEE 1584 and the limits of a calculation, what an arc flash label does and does not prove, NFPA 70E working practice, and the Indian statutory overlay that sits on top of all of it.
Energy isolation and lock-out — proving dead, not assuming it
Why a closed valve is not an isolation, what a personal lock actually protects, the energies people forget because they are not electrical, and why the return to service kills as often as the isolation does.
