Thermoplastic jacket cord not for hard use. Ideal to be used in lamps, small appliances, and radios. 300-volt rating in a 250-foot spool. UL (Underwriter's Laboratories) listed. This cord is designed for light-duty, indoor, household, and commercial applications where flexibility is needed. The flat construction allows for easy tear-down during installation. It is important to note that this cord is explicitly marked as not for hard or heavy-duty use.