The maximum voltage at which a given cable or insulated conductor may be safely maintained during continuous use in a normal manner. It is also called working voltage.
The highest voltage that may be continually applied to a conductor in conformance with standards or specifications. 17550 Gillette Ave Irvine, CA 92614 Tel: (949) 250-1244 Fax: (949) 250-1009
The recommended operating voltage for a lamp. For example, a 120 volt lamp operated at 125 volts will lose 40 percent of its lamp life; conversely, operating that lamp at 115 volts will virtually double its life.