These requirements cover electric operators for doors@ draperies@ gates@ louvers@ windows and other opening and closing appliances rated 600 V or less to be employed in ordinary locations in accordance with the National Electrical Code@ NFPA 70. These requirements also cover complete doors@ gates@ and other such assemblies that include electric opening and closing appliances. These requirements also cover accessories@ such as external entrapment protection devices@ for use with appliances covered by this standard. Doors and door operators intended for exit use as defined in the Life Safety Code@ NFPA 101 and codes such as the BOCA National Building Code@ the Standard Building Code@ and the Uniform Building Code@ are additionally subject to design requirements specific to such use.