Chapter Four

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Chapter Four
1010603 Chapter Four
ARTICLE 400. FLEXIBLE CORDS AND CABLES 400.3. Suitability. This rule requires that any application of flexible cord or cable may require use of "hard usage" cord (such as SJ cord) or "extra hard usage" cord (such as S or SO cord) if the cord is used where it is exposed to abrasion or dragging or repetitive flexing and/or pulling, depending on severity of use. As noted in Table 400.4, cords for portable heaters must be one of those types when used in damp places. Determination of the need for a particular cable on the basis of use severity is subjective. Table 400.4 also indicates the types of portable cable—that is, for data proces…
Frederic P. Hartwell; Joseph F. McPartland; Brian J. McPartland: McGraw-Hill's National Electrical Code® 2014 Handbook, Twenty-Eighth Edition. Chapter Four, Chapter (McGraw-Hill Professional, 2014), AccessEngineering Export