490-Equipment,Over 600 Volts, Nominal
I. General
490.1 Scope. This article covers the general requirements for equipment operating at more than
600 volts, nominal.
FPN No. 1: See NFPA 70E-2004, Standard for Electrical Safety in the Workplace, for electrical safety requirements for employee workplaces.
FPN No. 2: For further information on hazard signs and labels, see ANSI Z535-4, Product Signs and Safety Labels.