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IEC 61534-21:2006 ed1.0

Заменен
Powertrack systems - Part 21: Particular requirements for powertrack systems intended for wall and ceiling mounting — 17 стр.
This standard specifies the particular requirements and tests for PT systems intended for mounting on walls and/or ceiling. They may be installed flush or semi-flush, surface mounted, suspended or spaced away from the surface using fixing devices.
ICS
29.060.10 Wires. Including electric rods, busbars, etc. / Провода. Включая стержни, шины и т.д.
29.120.20 Connecting devices / Соединительные устройства