An Assessment of the 5-mA 60-Hz Contact Current Safety Level

This paper is an investigation into the research basis of the 5-mA electrical safety standard. Although Dalziel's let-go current research is generally considered to be the basis of this standard, the 5-mA level actually predates Dalziel's investigations. Nevertheless, in spite of some limi...

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Bibliographic Details
Published in:IEEE transactions on power apparatus and systems 1984-12, Vol.PAS-103 (12), p.3608-3614
Main Authors: Banks, Robert S., Vinh, Tieu
Format: Article
Language:English
Subjects:
ANSI standards
Applied sciences
Code standards
Contacts
Electric shock
Electrical engineering. Electrical power engineering
Electrical safety
Exact sciences and technology
Extrapolation
Fibrillation
Humans
Laboratories
National Electrical Safety Code - c2
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Summary:This paper is an investigation into the research basis of the 5-mA electrical safety standard. Although Dalziel's let-go current research is generally considered to be the basis of this standard, the 5-mA level actually predates Dalziel's investigations. Nevertheless, in spite of some limitations in experimental design, Dalziel's let-go current experimental series is basically sound and well supports the 5-mA level as an occupational electrical safety standard. However, its applicability to the general population is questionable. Dalziel's data were developed from generally young, healthy subjects, and the standard's applicability to vulnerable populations such as children, the elderly, and the infirm is not known.
ISSN:0018-9510
2995-6323
DOI:10.1109/TPAS.1984.318413