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888:(Weineng Wang, Zhiqiang Wang, Xiao Peng, "Effects of the Earth Current Frequency and Distortion on Residual Current Devices", Scientific Journal of Control Engineering, Dec 2013, Vol 3 Issue 6 pp 417-422). Key: AC-1: imperceptible, AC-2: perceptible but no muscle reaction, AC-3: muscle contraction with reversible effects, AC-4: possible irreversible effects (AC-4.1: up to 5% probability of heart fibrillation, AC-4.2: 5-50% probability of fibrillation, AC-4.3: over 50% probability of fibrillation).
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Weineng Wang, Zhiqiang Wang, Xiao Peng, "Effects of the Earth
Current Frequency and Distortion on Residual Current Devices", Scientific Journal of Control Engineering, Dec 2013, Vol 3 Issue 6 pp 417-422
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