Establishes a common vocabulary for terms and definitions for determining the functions and characteristics of brush-holders. Covers arrangements of brushes and boxes, pressure systems and characteristics of construction. Contains illustrations for each term. Gives the terms in Dutch, English, French, German, Italian, Polish, Russian, Spanish and Swedish. Note: -For definitions and nomenclature for carbon brushes, brush-holders, commutators and slip-rings, see IEC 60276.