IEC Standards

IEC 60268-5:1989

Sound system equipment. Part 5: Loudspeakers

IEC 60268-5:1972

Sound system equipment - Part 5: Loudspeakers

IEC 60268-5:1989/AMD2:1996

Amendment 2 - Sound system equipment. Part 5: Loudspeakers

IEC 60268-5:1989/AMD1:1993

Amendment 1 - Sound system equipment. Part 5: Loudspeakers

IEC 60268-4:2010

Sound system equipment - Part 4: Microphones

IEC 60079-5:1997/AMD1:2003

Amendment 1 - Electrical apparatus for explosive gas atmospheres - Part 5: Powder filling "q"

IEC 60079-4A:1970

Electrical apparatus for explosive gas atmospheres - Part 4: Method of test for ignition...

IEC 60079-4:1975

Electrical apparatus for explosive gas atmospheres. Part 4: Method of test for ignition...

IEC 60079-4:1966

Electrical apparatus for explosive gas atmospheres - Part 4: Method of test for ignition...