Before 2014, busbar trunking systems were covered under . The transition to IEC 61439-6 brought major changes:
is the international standard that specifies the definitions, service conditions, construction requirements, technical characteristics, and verification procedures for Busbar Trunking Systems (BTS) – also known as busway or bus duct systems.
: Introduction of new verifications for mechanical and electrical safety.
Before 2014, busbar trunking systems were covered under . The transition to IEC 61439-6 brought major changes:
is the international standard that specifies the definitions, service conditions, construction requirements, technical characteristics, and verification procedures for Busbar Trunking Systems (BTS) – also known as busway or bus duct systems. iec 61439-6 pdf
: Introduction of new verifications for mechanical and electrical safety. Before 2014, busbar trunking systems were covered under