1.1 These requirements cover electrically heated blankets, comforters, quilts, sheets, mattress pads, mattresses, foot warmers, throw blankets and similar bedding.

1.2 These products are for use in accordance with the National Electrical Code, ANSI/NFPA 70, on single-phase alternating-current supply circuits operating at a nominal potential of 110 to 120 V ac.

1.3 All bedding is cord-connected and is supplied with either a switch or one or two user-adjustable temperature-control units. Bedding may be thermostatically controlled.

1.4 Bedding intended for connection to other than a nominal 120 V ac supply voltage, and bedding for use with waterbeds, mechanical beds and the like, are to be subject to additional investigation, with consideration given to their intended use.