Iskani niz je bil najden v PREVODIH:
Spannungsfreiheit
en absence of power, freedom from stress, safe isolation from supply, stressless, zero potential
spannungslos
en at zero voltage, cold, de-energized, dead in live working, dead, free from stress, inactive, not energized, off circuit, off load, off-circuit, power down, stress-free, stress-less, unstrained, unstressed, untensioned, voltageless, without potential
Spannungsqualitätsmessung
en power quality measurement, voltage quality measurement