IEC TR 61015:1990

Brush-holders for electrical machines. Guide to the measurement of the static thrust applied to brushes

IEC 60136:1986

Dimensions of brushes and brush-holders for electrical machinery

IEC TR 60778:1984

Brush-holders for slip-rings, Group R - type RA

IEC 60560:1977

Definitions and terminology of brush-holders for electrical machines

IEC 60413:1972

Test procedures for determining physical properties of brush materials for electrical machines

IEC 60356:1971

Dimensions for commutators and slip-rings