Class B
Encyclopedia
The term Class B may refer to:
- Class B amplifier, an electronic amplifier category
- Class B stars
- Class B (baseball), a defunct class in minor league baseball in North America
- Class B airspace classAirspace classThe world's navigable airspace is divided into three-dimensional segments, each of which is assigned to a specific class. Most nations adhere to the classification specified by the International Civil Aviation Organization and described below...
, as defined by the ICAO for the busiest U.S. airports - Class B broadcast station, on the List of North American broadcast station classes
- Class B drug, under the Misuse of Drugs Act (disambiguation) of various Commonwealth Nations
- Class B drug, in British law
- Class B electronic device, conforming to FCC rule Title 47 CFR Part 15, Subpart B, Class B
- Class B explosive, an explosives category for professional fireworksFireworksFireworks are a class of explosive pyrotechnic devices used for aesthetic and entertainment purposes. The most common use of a firework is as part of a fireworks display. A fireworks event is a display of the effects produced by firework devices...
- Class B network, in the obsolete Internet classful networkClassful networkA classful network is a network addressing architecture used in the Internet from 1981 until the introduction of Classless Inter-Domain Routing in 1993. The method divides the address space for Internet Protocol Version 4 into five address classes. Each class, coded in the first four bits of the...
system - Class B pathogen treatment and pollutant criteria, an EPA reuse category in biosolids
- Class B recreational vehicle, or campervanCampervanA campervan , sometimes referred to simply as a camper, or a caravanette, is a self-propelled vehicle that provides both transport and sleeping accommodation. The term mainly describes vans that have been fitted out, often with a coachbuilt body for use as accommodation...
- Class B office space, a step below Class A office space
- Class B Army Service UniformArmy Service UniformThe U.S. Army service uniform is the military uniform worn by personnel in situations in which non-formal dress is called for. It is worn in most workday situations in which business dress would be called for...