Safety of low voltage switchgear STAs in South Africa – Part 2.
Bonner, Mark James.
Ijumba, Nelson Mutatina.
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This article is Part 2 of a two part article. Part 1 was published in the October 2005 issue of ENERGIZE. A technical analysis was undertaken to investigate the safety implications of the introduction of the category Specially Tested Assembly (STA) into the South African standard SANS 1473-1:2003.