Class B
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 class, 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 electronic device, conforming to FCC rule Title 47 CFR Part 15, Subpart B, Class B
- Class B explosive, an explosives category for professional fireworks
- Class B network, in the obsolete Internet classful network system
- Class B pathogen treatment and pollutant criteria, an EPA reuse category in biosolids
- Class B recreational vehicle, or campervan
- Class B office space, a step below Class A office space
- Class B Army Service Uniform
See also