-Standards, rules of construction apply:+ TCVN 4055-2012: construction organization+ TCVN 5308-1991: technical safety in construction.+ TCVN 5637-1991: quality management of construction and installation works.+ 11TCN-(18, 19, 20, 21)-2006: delegated power equipment.+ ISO 9207-2012: set your path in the housing and public works.+ ISO 9358-2012: grounding system installation equipment for the construction industry-General requirements
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