title: Class E
text: # Class E
  
  Class E may refer to:
  
  ## Science and technology
  
  * Class E amplifier, a power amplifier class in electronics
  * Class E addresses, in a classful network, a type of Internet Protocol IP address
  * Class E, twisted pair structured cabling system in the ISO/IEC 11801 standard
  
  ## Other uses
  
  * Class E, an airspace class as defined by the ICAO
  * Class E, a driver's license
  * Class E felony, a category of crime in the US
  