This standard applies to busbar trunking with two or more poles for connecting luminaires to a source of electrical power.
GOST R IEC 60570-1999 Referenced Document
IEC 60364-7-715:1999 Electrical installations of buildings - Part 7-715: Requirements for special installations or locations - Extra-low-voltage ligthing installations*, 1999-05-01 Update
IEC 60598-1:1999 Luminaires - Part 1: General requirements and tests*, 1999-12-01 Update