SANS 61558-2-23:2000 Safety of power transformers, power supply units and similar devices Part 2-23: Particular requirements for transformers for construction sites
Deals with all aspects of safety such as electrical, thermal and mechanical. Applies to stationary or portable single-phase or poly-phase air-cooled (natural or forced) independent or associated, isolating or safety isolating transformers intended for us
SANS 61558-2-23:2000 history
2001SANS 61558-2-23:2000 Safety of power transformers, power supply units and similar devices Part 2-23: Particular requirements for transformers for construction sites