BS 9564:1980

General matters, terminology, test procedures (electrical, mechanical, optical, environmental and endurance) and general rules for drafting detail specifications for push-button switches of assessed quality for use primarily in telecommunications and electronic equipment employing similar techniques.Cross References:BS 245BS 308BS 415BS 575BS 580BS 1376BS 1991:Part 6BS 2011BS 3763BS 3939:Sections 15 to 19BS 3955BS 4000 BS 4099BS 4727BS 5772:Part 2BS 6000 BS 6001BS 9000PD 9002PD 9004Replaces BS 9564:1976.